ring off

英 [rɪŋ ɒf]

美 [rɪŋ ɔːf]

挂断电话

柯林斯词典

• PHRASAL VERB 挂断电话
  When youring off, you put down the receiver at the end of a telephone call.
  1. She had rung off before he could press her for an answer.
     他还没来得及催她回答，她就挂断了电话。

in AM, usually use 美国英语通常用hang up

双语例句