狼吞虎咽（狼吞虎嚥）　

◎ 狼吞虎咽 lángtūn-hǔyàn

[gorge;be a devil to eat;devour ravenously; gobble up; make a pig of oneself wolf down one‘s food] 形容吃东西不细嚼,又急又猛

他扑到鸡蛋和咸肉上,狼吞虎咽地大吃起来