should, ought to, must

JLPT N5 8 strokes

Words with this Kanji

Usage of (gāi)

The character is commonly used to express obligation, expectation, or something that should be done. It often translates as "should," "ought to," or "must." It is frequently placed before verbs to indicate what is appropriate or necessary.

Common contexts

  • Expressing advice or recommendation: 休息 (You should rest earlier).
  • Indicating necessity or requirement: 项目需要资金 (This project requires funding).
  • Asking about the proper course of action: 怎么? (What should be done?).

Collocations and patterns

  • + verb: to indicate what should be done.
  • + noun (less common): to refer to a particular item or subject, often in formal contexts.

Notes

is more formal and stronger than just using or 应该 in some contexts. It implies a clear expectation or duty. Avoid confusing with (gài, to cover) or (qǐ, to beg).

Use when you want to emphasize what is proper or necessary in a situation.

Example Sentences

You should rest earlier; there is an important meeting tomorrow.

This project requires more financial support to be completed.

What should be done? Do you have any suggestions?