ought

/ɔːt/

verb

You ought to apologize for your behavior.

意味（1）

(auxiliary) Indicating duty or obligation.

I ought to vote in the coming election.

意味（2）

(auxiliary) Indicating advisability or prudence.

You ought to stand back from the edge of the platform.

意味（3）

(auxiliary) Indicating desirability.

He ought to read the book; it was very good.

意味（4）

(auxiliary) Indicating likelihood or probability.

We ought to arrive by noon if we take the motorway.