when, at the time of, on the occasion of

Intermediate

20-25 min

common

Expert Reviewed

Explanation

Formal expression for "when" or "at the time of".

[Verb dictionary/た-form/Noun の] + 際(に)

お帰りの際は、忘れ物にご注意ください。

Okaeri no sai wa, wasuremono ni gochuui kudasai.

When leaving, please be careful not to forget anything.

申し込みの際に、身分証明書が必要です。

Moushikomi no sai ni, mibun shoumeisho ga hitsuyou desu.

When applying, an ID is required.

More formal than とき.

～たとたん

the moment, just as, as soon as

～上で

after doing, upon, when it comes to

～ために (tame ni)

in order to ~, for the purpose of ~

～のに (noni)

although ~, despite ~, even though ~

～にもかかわらず

despite ~, in spite of ~

～ようになる

come to ~, become able to ~, reach the point where ~

Common in announcements and formal instructions.

JLPTBooks Editorial Team

Japanese Language Education Specialists

Last updated: Jan 2

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