# ても知らない: if you continue… you’ll end up; I don’t care about it

> Learn the JLPT N1 grammar ても知らない, a strong warning that means 'if you keep doing that, don't blame me' or 'I don't care what happens.'

JLPT level: N1 · Updated: 2026-05-18 · Canonical: https://hane-app.com/blog/n1-temo-shiranai/

**ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない** means **if you continue… you’ll end up (in trouble); I don’t care about it**. It is a **JLPT N1** Japanese grammar pattern used to warn someone that if they keep doing something (typically something the speaker considers unwise), the speaker will take no responsibility for the consequences.

This pattern appears often in spoken Japanese—arguments, friend-to-friend scolding, and manga. If you want to deliver a sharp, colloquial “don’t come crying to me” or “you’ll be sorry,” **ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない** is a pattern that adds bite to your Japanese.

<div class="pullquote">
「そんなことしたら、どうなっても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ないよ。」<br>
<small>—“If you go on like that, you’ll end up regretting it. Don’t come crying to me.”</small>
</div>

## What does ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない mean?

Use **ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない** when you want to:
- warn someone that a bad outcome will follow if they continue a certain action
- disclaim responsibility (“I won’t be responsible”)
- express irritation, indifference, or a “serves you right” stance

Natural translations include:
- “If you keep that up, you’ll end up regretting it.”
- “Don’t come crying to me if…”
- “I don’t care what happens (if you do that).”

The best translation depends on the relationship between the speakers and how blunt the warning is. In casual, close-relationship contexts it can be almost teasing; in a sharp tone it’s a cold shoulder.

## How to form ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない

<div class="formation">
  <span class="ftoken t-core">Verb (て-form)</span>
  <span class="fplus">＋</span>
  <span class="ftoken t-conn">も</span>
  <span class="fplus">＋</span>
  <span class="ftoken t-aux"><ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない</span>
</div>

The structure is simple: you attach **も** to the verb’s て-form, then follow it with **<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない**. You can strengthen the warning with **よ** (casual) or **ぞ** (rough/masculine).

<div class="formula">
  <p><span class="ftoken"><ruby>食<rp>(</rp><rt>しょく</rt><rp>)</rp></ruby><ruby>べ<rt>た</rt></ruby>て</span> + <span class="ftoken">も</span> + <span class="ftoken"><ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ないよ</span></p>
  <p><span class="ftoken"><ruby>行<rt>い</rt></ruby>って</span> + <span class="ftoken">も</span> + <span class="ftoken"><ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ないぞ</span></p>
  <p><span class="ftoken"><ruby>文<rt>もん</rt></ruby><ruby>句<rt>く</rt></ruby>を<ruby>言<rt>い</rt></ruby>って</span> + <span class="ftoken">も</span> + <span class="ftoken"><ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない</span></p>
</div>

Because the ても part already carries “even if,” you cannot use other conditional forms like たら or ば here.

## When is ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない used?

Use **ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない** in situations like:
- a friend is about to do something you know will backfire
- a parent scolding a child (“I’m not going to save you next time”)
- a character in fiction who is done helping someone
- expressing irritation after repeated warnings

Tone and register:
- **very casual**, sometimes rough or dismissive
- common in conversation, text messages, drama dialogue, and manga
- adding **よ** or **ぞ** makes it sound more spoken and emphatic

Because it directly denies responsibility, it’s inappropriate in polite or business settings.

## ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない example sentences

<div class="examples">
  <div class="example">
    <p class="example-jp">そんなに<ruby>夜<rt>よる</rt></ruby> <ruby>更<rt>ふ</rt></ruby>かししてると、<ruby>後<rt>あと</rt></ruby>で<ruby>後悔<rt>こうかい</rt></ruby>しても<ruby>知<rt>し</rt></ruby>らないよ。</p>
    <p class="example-en">If you keep staying up so late, don’t come complaining later.</p>
    <div class="example-foot"><span class="example-tag">warning</span><span class="example-tag">casual</span></div>
  </div>
  <div class="example">
    <p class="example-jp"><ruby>食<rt>た</rt></ruby>べすぎても<ruby>知<rt>し</rt></ruby>らないよ。</p>
    <p class="example-en">I don’t care if you overeat. (Don’t blame me later.)</p>
    <div class="example-foot"><span class="example-tag">teasing/friend</span></div>
  </div>
  <div class="example">
    <p class="example-jp"><ruby>宿<rt>しゅく</rt></ruby><ruby>題<rt>だい</rt></ruby>をやらなくても<ruby>知<rt>し</rt></ruby>らないぞ。</p>
    <p class="example-en">If you don’t do your homework, that’s your problem.</p>
    <div class="example-foot"><span class="example-tag">stern/masculine</span></div>
  </div>
  <div class="example">
    <p class="example-jp"><ruby>相<rt>そう</rt></ruby><ruby>談<rt>だん</rt></ruby>に<ruby>乗<rt>の</rt></ruby>らなくても<ruby>知<rt>し</rt></ruby>らないからね。</p>
    <p class="example-en">If you don’t ask for advice, I’m not going to bail you out later—fair warning.</p>
    <div class="example-foot"><span class="example-tag">firm</span></div>
  </div>
  <div class="example">
    <p class="example-jp"><ruby>彼<rt>かれ</rt></ruby>に<ruby>借<rt>か</rt></ruby>りたまま<ruby>返<rt>かえ</rt></ruby>さなくても<ruby>知<rt>し</rt></ruby>らないよ。</p>
    <p class="example-en">If you don’t pay him back, I don’t want to hear about it when he gets angry.</p>
    <div class="example-foot"><span class="example-tag">indifferent</span></div>
  </div>
  <div class="example">
    <p class="example-jp"><ruby>勝<rt>か</rt></ruby>ってに<ruby>決<rt>き</rt></ruby>めても<ruby>知<rt>し</rt></ruby>らないわよ。</p>
    <p class="example-en">Go ahead and decide on your own—don’t expect any sympathy from me.</p>
    <div class="example-foot"><span class="example-tag">feminine/fierce</span></div>
  </div>
</div>

The pattern is fixed; even if the verb changes, the function stays the same: **if you do X, I’m out**.

## Nuance of ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない

The core nuance is **a warning with a side of abandonment**. It’s not just “I don’t know”—it’s “I’m **choosing** not to care.” The speaker is stepping away from the listener’s future problem.

Key feelings it carries:
- **disclaimer**: “This is on you, not me.”
- **coldness**: often used after giving advice that was ignored.
- **tough love**: among close friends it can be affectionate scolding, less harsh than it sounds.

<div class="note-callout">
  <span class="note-icon">💡</span>
  <div class="note-body">
    Adding <strong>よ</strong> or <strong>ぞ</strong> doesn’t change the meaning but makes the warning feel more real and spoken. Without a particle it can sound incomplete; in conversation, <strong>ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ないよ</strong> is the most natural.
  </div>
</div>

## ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない vs てもどうにもならない

Both patterns involve **ても** and point to a negative outcome, but they differ significantly.

<div class="compare">
  <div class="cmp a">
    <div class="cmp-head">ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない</div>
    <div class="cmp-sub">personal warning; disavowal of responsibility</div>
    <div class="cmp-when">Used when the speaker wants to say “I won’t help you” or “you’ll regret it.”</div>
    <div class="cmp-eg">そんなに<ruby>飲<rt>の</rt></ruby>んでも<ruby>知<rt>し</rt></ruby>らないよ。</div>
    <div class="cmp-eg-en">If you drink that much, don’t complain tomorrow.</div>
  </div>
  <div class="vs">vs</div>
  <div class="cmp b">
    <div class="cmp-head"><a href="/blog/n1-temo-dou-ni-mo-naranai/">てもどうにもならない</a></div>
    <div class="cmp-sub">inevitability; nothing can be done</div>
    <div class="cmp-when">Used to express that a situation is hopeless regardless of the action taken.</div>
    <div class="cmp-eg"><ruby>後<rt>あと</rt></ruby>で<ruby>悔<rt>く</rt></ruby>やんでもどうにもならない。</div>
    <div class="cmp-eg-en">Even if you regret it later, there’s nothing you can do about it.</div>
  </div>
</div>

The speaker of **ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない** could step in but chooses not to; the speaker of **てもどうにもならない** is stating an objective impossibility.

## Common mistakes with ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない

<div class="mistakes">
  <div class="mistake">
    <div class="mline bad">
      <span class="mark bad">❌</span>
      <div class="mline-body"><ruby>彼<rp>(</rp><rt>かれ</rt><rp>)</rp></ruby>が<ruby>来<rt>こ</rt></ruby>ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない。</div>
    </div>
    <div class="mline good">
      <span class="mark good">✅</span>
      <div class="mline-body"><ruby>彼<rp>(</rp><rt>かれ</rt><rp>)</rp></ruby>が<ruby>来<rp>(</rp><rt>き</rt><rp>)</rp></ruby>ても<ruby>知<rt>し</rt></ruby>らないよ。</div>
    </div>
    <p class="note">Omitting <strong>ない</strong>? Actually the mistake is interpreting it literally. The error above might seem like “I don’t know even if he comes,” but that literal meaning doesn’t map to this grammar. For the warning pattern, you need a verb that the listener is doing. Use <ruby>勝手<rt>かって</rt></ruby>に<ruby>来<rt>く</rt></ruby>る + ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない to warn about an unwanted action.</p>
  </div>
  <div class="mistake">
    <div class="mline bad">
      <span class="mark bad">❌</span>
      <div class="mline-body"><ruby>勉強<rp>(</rp><rt>べんきょう</rt><rp>)</rp></ruby>しなくても<ruby>知っ<rp>(</rp><rt>しっ</rt><rp>)</rp></ruby>ている。</div>
    </div>
    <div class="mline good">
      <span class="mark good">✅</span>
      <div class="mline-body"><ruby>勉強<rp>(</rp><rt>べんきょう</rt><rp>)</rp></ruby>しなくても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ないよ。</div>
    </div>
    <p class="note">Mixing up <ruby>知っ<rp>(</rp><rt>しっ</rt><rp>)</rp></ruby>ている (to know) with <ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない (not knowing/not caring). The warning pattern is fixed: only <strong><ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない</strong> works; <ruby>知っ<rp>(</rp><rt>しっ</rt><rp>)</rp></ruby>ている changes the meaning entirely.</p>
  </div>
  <div class="mistake">
    <div class="mline bad">
      <span class="mark bad">❌</span>
      <div class="mline-body">そんなことをすれば<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない。</div>
    </div>
    <div class="mline good">
      <span class="mark good">✅</span>
      <div class="mline-body">そんなことをしても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ないよ。</div>
    </div>
    <p class="note">Using a different conditional (ば/たら) instead of ても. The pattern is inseparable: <strong>Verb-ても + <ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない</strong>.</p>
  </div>
</div>

## Is ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない on the JLPT?

<div class="jlpt-card">
  <span class="jlpt-shield">N1</span>
  <div class="jlpt-info">
    <p><strong>ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない</strong> is part of the JLPT N1 grammar list. It doesn’t appear in high-frequency drills but is tested as a fixed idiomatic expression.</p>
    <ul class="jlpt-checks">
      <li><strong>Reading:</strong> yes — often in dialogue or narrative</li>
      <li><strong>Listening:</strong> yes — especially in casual conversation comprehension</li>
      <li><strong>Grammar questions:</strong> yes — expect a sentence‑completion format that tests the ても form</li>
    </ul>
    <p>On the test, if you see <strong>V-ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない</strong> in the middle of a passage, it’s almost certainly a warning, not a literal “don’t know.”</p>
  </div>
</div>

## Practice questions for ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない

<div class="prompts">
  <div class="prompt">
    <span class="prompt-num">1</span>
    <span class="prompt-text">A friend refuses to bring an umbrella even though the forecast says rain. Warn them using ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない.</span>
    <span class="prompt-tag">warning</span>
  </div>
  <div class="prompt">
    <span class="prompt-num">2</span>
    <span class="prompt-text">Your younger sibling keeps playing video games late at night and will be exhausted in the morning. Use ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない in a sentence that shows you’re done giving advice.</span>
    <span class="prompt-tag">family scolding</span>
  </div>
  <div class="prompt">
    <span class="prompt-num">3</span>
    <span class="prompt-text">Create a line for a manga character who has warned their friend three times and is now walking away. Include も<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ないぞ.</span>
    <span class="prompt-tag">dramatic</span>
  </div>
  <div class="prompt">
    <span class="prompt-num">4</span>
    <span class="prompt-text">Compare ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない with てもどうにもならない by writing two short dialogues — one for each — and note how the speaker’s attitude changes.</span>
    <span class="prompt-tag">nuance</span>
  </div>
</div>

## Learning path for ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない

<div class="path">
  <div class="path-step">
    <span class="step-num">1</span>
    <div class="step-body">Solidify the <strong>Verb-ても</strong> form. If ても still trips you up, review its usage as a conditional before tackling this pattern.</div>
  </div>
  <div class="path-step">
    <span class="step-num">2</span>
    <div class="step-body">Practice making short warning sentences: pick a verb (<ruby>食べる<rp>(</rp><rt>たべる</rt><rp>)</rp></ruby>, <ruby>行く<rp>(</rp><rt>いく</rt><rp>)</rp></ruby>, <ruby>言う<rp>(</rp><rt>ゆう</rt><rp>)</rp></ruby>), attach ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ないよ, and imagine you’re talking to a close friend.</div>
  </div>
  <div class="path-step">
    <span class="step-num">3</span>
    <div class="step-body">Compare with <a href="/blog/n1-temo-dou-ni-mo-naranai/">てもどうにもならない</a>. Create two lines where the only difference is the grammar point and observe how the meaning shifts from “I’m out” to “it’s hopeless.”</div>
  </div>
  <div class="path-step">
    <span class="step-num">4</span>
    <div class="step-body">Read or watch a short drama scene where a character says ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない. (Manga panels with scolding are great for this.) Try to feel the emotional temperature — is it angry, teasing, or indifferent?</div>
  </div>
  <div class="path-step">
    <span class="step-num">5</span>
    <div class="step-body">Produce your own dialogue: write a conversation where one person repeatedly ignores advice, and the other finally snaps with ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない. Add a fitting particle (よ or ぞ) to match the character’s personality.</div>
  </div>
</div>

## Related grammar to review next

- [てもどうにもならない](/blog/n1-temo-dou-ni-mo-naranai/) — shares the ても condition, but emphasizes hopelessness rather than personal responsibility
- [ても<ruby>差し支え<rp>(</rp><rt>さしつかえ</rt><rp>)</rp></ruby>ない](/blog/n1-temo-sashitsukaenai/) — also uses ても, but expresses permission (“it’s okay if you do”), the opposite in attitude
- [と<ruby>相<rp>(</rp><rt>あい</rt><rp>)</rp></ruby>まって](/blog/n1-to-aimatte/) — a formal pattern linking two factors to a result, useful after mastering casual ても patterns
- [とあれば](/blog/n1-to-areba/) — a conditional meaning “if it is the case that,” another advanced conditional that pairs nicely with ても patterns in comparative study

## Learn ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない with Hane

If you want to review **ても<ruby>知ら<rp>(</rp><rt>しら</rt><rp>)</rp></ruby>ない** together with the related patterns above, Hane helps you practice Japanese in short, focused sessions — including warnings, comparisons, and realistic dialogue.

Browse more lessons here:
- [All grammar lessons](/blog/)
- [JLPT N1 grammar lessons](/blog/n1/)