ring off ; :挂断,悬挂
hang up=ring off
例句
I';d better ring off now.我该挂电话了
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
I have to ring off now. I have a train to catch.现在得挂断电话了,我要去赶火车。
hang up: 挂上; 挂住; 使等候; 将电话筒挂上
例句:
The peace talks were hung up.和谈中断了。
She hung up on me. 她不等我说完便挂了电话