But quitting smoking may carry a temporary risk.

VOA: special.2010.01.13

After a month I agreed with them, I told Bill I'm quitting, going back to Stanford.

一个月后我下定决心了，告诉比尔我要离开，会斯坦福继续念书。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

She said that she is quitting tonight.

她说她今晚就要辞职了。

That's what 实战 - SpeakingMax英语口语达人

Lavrov briefed Clinton on his visit to North Korea late last month, which was the first by a major-power diplomat since Pyongyang announced it was quitting Chinese-brokered negotiations on its nuclear program.

VOA: standard.2009.05.07

"Now is the time,now is the moment, now is the time for us to lead for the next generation and generations to come, a stronger and more prosperous country, we are not backing down, we not quitting, and we are going to get this done."

VOA: standard.2010.03.10