He became rich by fishing in troubled waters.

◆fish in troubled waters
字面词义：在麻烦的水中钓鱼。
真正含义：浑水摸鱼；在别人的麻烦中获利。

◆句子翻译
他的财富是趁人之危而得来的。

1、We should become rich by natural way,not by fishing in troubled waters!
我们应该从正常的渠道致富，而不是靠趁人之危而得来！
2、They love to fish in troubled waters.
他们喜欢混水摸鱼。
3、You delight to fish in troubled waters.
你喜欢趁机混水摸鱼。
4、Be aware of those who fish in troubled waters.
当心那些浑水摸鱼的人。

5、All they wanted was to make bad blood between them and fish in troubled waters.
他们所要做的就是挑拨离间，混水摸鱼。
6、Never fish in troubled waters.
不要混水摸鱼。
7、He is fishing in troubled waters.
他是在趁火打劫。
8、Both partners now resent your interference; that's what you get when you fish in the troubled waters of marital strife.
现在两方面都对你的干预不满，那是对你的婚姻冲突中趁火打劫的报应。