hang up 挂断电话
hang on/hold on 别挂电话
例句：
She was angry at her boyfriend and hung up the phone.
她生她男朋友的气，然后挂断了电话。
Don't hang up,please.
请不要挂断电话。
Hang up and I'll call you back in a few minutes.
您先挂了，过几分钟我再打给你。
背景音乐：
Dianne Reeves-Jingle Bells
