He received thousands of messages telling him not to quit.

VOA: special.2009.09.13

I once counted the number of times he used the word the letter--O--in that poem, and I quit counting.

我曾经数过他到底在诗里用了多少个"啊",最后我放弃了

耶鲁公开课 - 美国内战与重建课程节选

However, he planned to leave his wife, quit his job

他决定离开他的妻子，辞掉自己的工作，

What if 课堂 - SpeakingMax英语口语达人

Dr.Welch stopped smoking more than a decade ago, and he persuaded his son to quit also.

VOA: standard.2010.06.21