quit       
verb [ I or T ] uk/kwɪt/ us/kwɪt/  quitting | quit
B1 停止;离开;辞职;放弃
to stop doing something or leave a job or a place
  Would you quit your job if you inherited lots of money? 假如继承了一大笔钱,你会辞掉工作吗? 
 [ + -ing verb ] I'm going to quit smoking. 我准备戒烟。 
 Quit wasting my time! 别浪费我的时间! 
 Press Q to quit the program. 退出该程序请按Q。 
 - More examples
 - I don't know why she quit her job.
 - Despite opposition from his family, he quit school and became an actor.
 - The nicotine patches are designed to help people quit smoking.
 - He's dropped several hints to the boss that he'll quit if he doesn't get a promotion.
 - Quit teasing your brother like that.