hang up phr v 1 [I] to finish a telephone conversation by putting the telephone down 挂断电话,放下电话: She said good night and hung up. 她说了声晚安,就把电话挂了。 hang up on sb (=put the phone down during a conversation because you are angry) 〔因生气而〕挂某人的电话: Don't hang up on me! 你别挂我电话! 2 [T hang sth ↔ up] to put something such as clothes on a hook or hanger 把…挂起来