I must be off
I must be off
I have to leave. A somewhat formal and dated expression. Adam's waiting for me, so I must be off. Ooh, the train comes in five minutes, so I must be off!
See also: must, off
Farlex Dictionary of Idioms.
I must be off.
an expression announcing the speaker's intention of leaving. Bill: It's late. I must be off. Bob: Me, too. I'm out of here. Sue: I must be off. John: The game's not over yet. Sue: I've seen enough.
See also: must, off
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
- (one) (had) better be off
- (I've) got to take off
- (Now) where was I?
- be off with you
- be off for (something)
- be off for sth
- be well off for (something)
- be well off for something
- break off
- base off (of) (something else)