Bill Gates中途退学，后来成为一个成功的商人 - Bill Gates quit school and became a successful businessman. 我以前的老板老是挑我的毛病 - My former boss always picked on me， 我实在忍无可忍。有一天我对他说："I quit, I've had enough!" 我不干了。我受够了！ 噢，对不起，我该下班了 - Sorry, it's time for me to quit. 今天学的一个词是quit...