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Grammar list

さい

(Sai)

on the occasion of / at the time of (formal).

Connection rules

  • V plain + 際(に); noun + の + 際(に). The に is optional.
  • Formal temporal marker — for significant moments or occasions.
  • More formal than 〜とき; less ceremonial than 〜にあたって.

Examples

1.
非常ひじょうさいこのボタンください

Hijou no sai wa, kono botan o oshi te kudasai.

In case of emergency, press this button.

on the occasion of / at the time of (formal)

2.
利用りようさい注意ちゅうい事項じこうください

Go riyou no sai ni wa, chuui jikou o o yomi kudasai.

Upon use, please read the precautions.

on the occasion of / at the time of (formal)

Practice

Please present your ID at the time of application.

___は、身分証明書をご提示ください。

Romaji also accepted