狼吞虎咽 -------- gobble up

例句：
A: Mike often gobbles up his food then to work everyday morning.
迈克常常狼吞虎咽地吃完早餐就去上班。
B: It is harmful to his health.
这对他的身体不好。

同义词：
wolf down
devour ravenously

注释：
be harmful to 对......有害