英语学习·日积月累-044_日积月累

tip (v. & n.)
给(小费)

例句：
i tipped the waitress 30% because she was so friendly. 
我给了这位女服务生三成的小费，因为她很友善。

i gave the waiter a fat tip.
我给了那个服务员很优厚的小费。

burn one's fingers
自寻烦恼、自找苦吃
 
例句：
it was too late for him to regret as he had burned his fingers. 
他因管闲事而自找苦吃，真是后悔莫及。
 

help yourself, please.
请随便一些。 

对话： 
a: i like this chicken broth. can i take some more? 
b: why, of course. help yourself, please. there is plenty left.

a：我喜欢这鸡汤。我可以再喝一点吗？ 
b：噢，当然可以了。尽管喝吧。还有很多呢！