She became involved in prostitution at the insistence of a former boyfriend, who beat her,and forced her to sell her body the first night they arrived.

VOA: standard.2010.02.23

The first example I can think of is if, let's say your boyfriend or girlfriend has just acted outrageously.

我想到的第一个例子是，假设你的男友或女友突然表现得很蛮横。

I can't help but 课堂 - SpeakingMax英语口语达人