to end a phone conversation:
He started shouting so I hung up (on him).
Let me speak to Melanie before you hang up.
a permanent and unreasonable feeling of anxiety about a particular feature of yourself:
He's one of these men who went bald very young and has a terrible hang-up about it.
(Cambridge Advanced Learner's Dictionary & Thesaurus からの hang up の定義 © Cambridge University Press)
to end a telephone conversation by ending the connection:
Don’t hang up – there’s something else I want to say.
She hung up on me (= suddenly ended the connection between us) in the middle of a sentence.
a problem that causes a delay:
The doctor never got back to me with the test results – I guess there was some hang-up over the weekend.
A hang-up is also a feeling of anxiety:
Everyone has their hang-up.
(Cambridge Academic Content Dictionary からの hang up の定義 © Cambridge University Press)
- Cambridge Dictionary