にして means at / on / under certain conditions (time, position, age, number of times). It is a JLPT N1 Japanese grammar pattern used to pinpoint a specific time, age, position, or attempt at which something happens—often implying that the circumstance is remarkable or decisive.
This grammar point often appears in formal writing, news articles, historical accounts, and JLPT N1 reading passages. If you want to emphasize that something occurred under a precise and noteworthy condition—like an astonishingly young age or a final attempt—にして is a useful pattern to learn because it adds a refined, literary precision to your Japanese.
What does にして mean?
Use にして when you want to single out a particular point in time, a certain age, a specific social position, or a numbered attempt as the setting for an event. The grammar often carries a nuance that the condition is unexpected, noteworthy, or definitive.
Natural translations include:
- at (that exact age / time)
- on (a particular attempt / occasion)
- under (the condition of being …)
- as (holding a certain office or status)
Try to notice the writer’s intent first—are they highlighting a youthful achievement, a third try, or a formal role?—then choose the English phrase that fits.
How to form にして
The noun can indicate:
- age:
10歳,二十歳 - number of attempts:
3回目,度目 - time or occasion:
今日,半世紀 - position or status:
一国の首相,一家の主
Examples of the pattern:
10歳にして3回目にして一国の首相にして
The noun before にして is the precise condition. In JLPT questions, wrong choices often use にして with a verb or an adjective stem—always remember that にして attaches to a noun.
When is にして used?
Use にして in situations like:
- pointing out a remarkable age at which someone achieves something
- emphasizing that only after a certain number of attempts did success come
- formally stating that a person, in their capacity as a leader, does (or fails to do) something
- describing a specific time or historical juncture that serves as the backdrop for a statement
Tone and register:
- formal and literary; common in written Japanese, official statements, historical narration
- not used in casual daily conversation (use で, に, or ときに instead)
にして example sentences
After reading each sentence, ask what job にして is doing: it pins the event to a remarkable point—a striking age, a final try, a high office.
Nuance of にして
The key nuance is the condition itself is presented as noteworthy.
- With age, にして often implies “already at such a young age” or “finally at that advanced age.”
- With number of attempts, it can suggest “only after X tries” or “just on the Xth try,” underlining effort or luck.
- With position, it adds a formal, almost dramatic weight: “in one’s capacity as…”
This matters because learners sometimes use にして as a plain “at” or “on.” In reality, its literary ring makes it unsuitable for neutral descriptions—reserve it for moments when the condition itself is the headline.
にして vs に当たって
Both にして and に当たって can locate an event at a point, but they are different.
If both translations seem possible, check whether you’re highlighting a remarkable fact (にして) or simply marking an occasion (に当たって).
Common mistakes with にして
A helpful practice: write a sentence with にして and then ask a native speaker whether it sounds appropriately dramatic. If it feels forced, scale back.
Is にして on the JLPT?
Yes. にして is a solid JLPT N1 grammar point.
- Expect it in reading passages—especially historical or biographical texts.
- Questions may test your ability to distinguish にして from において, に当たって, or にしては in a multiple-choice format.
- You should be able to recognize it and grasp its literary nuance.
For test prep, practice reading sentences that mix にして with its look‑alikes; the context will always supply the dramatic cue.
Practice questions for にして
Once the structure feels natural, add more context so the remarkable nuance becomes obvious.
Learning path for にして
To learn にして efficiently, start with its formation, then compare it with similar patterns, and finally practice in context.
Related grammar to review next
- に — because it also marks a location or time, but without the dramatic emphasis of にして
- に値する — because it uses the same に framework to express worthiness, another formal, abstract condition
- に当たって — because it similarly pinpoints an occasion, but focuses on the event rather than the striking condition
- にひきかえ — because it also works with nouns + に, but contrasts one condition with another
Learn にして with Hane
If you want to review にして together with the related patterns above, Hane helps you practice Japanese in short, focused sessions.
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FAQ about にして
What does にして (ni shite) mean in Japanese?
にして (ni shite) means “at / on / under certain conditions (time, position, age, number of times)”. It is JLPT N1 grammar. Use にして when you want to single out a particular point in time, a certain age, a specific social position, or a numbered attempt as the setting for an event. The grammar often carries a nuance that the condition is unexpected, noteworthy, or definitive.
How do you form にして (ni shite)?
Noun + にして The noun can indicate: - age: 10歳, 二十歳 - number of attempts: 3回目, 度目 - time or occasion: 今日, 半世紀 - position or status: 一国の首相, 一家の主
What is the difference between にして and に当たって?
にして: at a striking condition (age, attempt, status). に当たって: upon the occasion of an event.
What is an example sentence with にして (ni shite)?
彼は10歳にして大学に入学した。 — He entered university at the age of 10.