由于 “狼 wolves” 这种动物在享用猎物的时候速度快，所以表达 “wolf down” 就用来形容人吃饭速度快，吃得也多，也就是汉语里常说的 “狼吞虎咽”。除了 “wolf down” 以外，还可以说 “wolf down the meal” 或 “wolf the meal down”， 意思相同。

例句

I'm so hungry after doing exercise in the evening that I always wolf down my dinner.

我晚上锻炼之后特别饿，所以吃饭总是狼吞虎咽的。

Wow, that cake must have been good – you wolfed it down in seconds!

哇！那块蛋糕肯定好吃极了，你几秒钟就把它都吃掉了。

I wolfed my breakfast down as fast as I could and then quickly ran to school.

我三下五除二地吃完早餐，然后飞快地向学校跑去。