Gotcha! Here’s a fresh advanced JLPT N1 grammar point for you:
【JLPT N1 Grammar Point 15】
This grammar has a few nuanced uses, often seen in formal or literary contexts:
- Indicates that something happens only after a certain condition or time.
- Emphasizes something surprising or extreme (“even”)
- Shows that two things happen simultaneously
🌟 ~にして
1. Only after / Just at (a certain time or condition)
Noun + にして
Meaning: “only after (a long time),” “not until then”
Example:
- 成功は努力にして得られるものだ。
(Success is something obtained only after effort.) - 彼は30歳にして、初めて一人暮らしを始めた。
(He started living alone only at the age of 30.)
2. Even (emphasizing something extreme or unexpected)
Noun + にして
Meaning: “even,” “as much as”
Example:
- 大人にしてそのミスは恥ずかしい。
(It’s embarrassing to make that mistake even as an adult.) - 百年にして起こった大災害だ。
(It’s a great disaster that happened once in a hundred years.)
3. At the same time as
Noun + にして
Meaning: “both at once”
Example:
- 勉強にして遊びにして、充実した毎日を過ごしている。
(Both studying and playing, he spends fulfilling days.)
🧠 Usage Notes
- Formal and literary tone, often in written Japanese.
- The context usually clarifies which meaning applies.
- Often paired with time expressions or contrasting ideas.
✍️ Practice Challenge
Translate into Japanese using ~にして:
- He only became confident after ten years of practice.
- Even a professional can make mistakes.
- She enjoys both work and hobbies at the same time.
- This is a disaster that happens once in a century.
✅ Practice Answers
- 彼は10年の練習にして自信を持てるようになった。
- プロにしてもミスをすることがある。
- 彼女は仕事にして趣味にして楽しんでいる。
- これは百年にして起こる災害だ。

