eat up 吃光、耗光

　　Well, you better eat up, then.

　　好，那你现在最好把早餐都吃光。

　　A big car just eats up your money.

　　开辆大汽车只会耗光你的钱。

　　be on a diet 节食

　　Linda always to be on a diet.

　　琳达好像一直在节食

　　pig out 狼吞虎咽、大吃特吃

　　Chinese New Year is often a time for the family to gather and have a pig-out.

　　农历新年常常是一家团聚、开心吃喝的日子。

　　grab a bite 抓一口，先垫垫肚子

　　After grabbing a bite of food he will have to leave.

　　他匆匆地吃点东西就要走了。

　　eat in 在家吃饭，在学校就餐

　　did they usually eat in a cafeteria?

　　他们经常在一家自助餐厅吃吗?

　　eat like a bird 俚语，吃东西像小鸟一样，显而易见它的意思是指吃的极少

　　Why do you eat like a bird?

　　你为什么吃得这么少?

　　overeat 吃得太多

　　Careful with the sweets . he tends to overeat

　　不要给他太多糖果他已经吃多了

　　eat like a horse 俚语，表面意思是吃东西像马一样，实际意义是狼吞虎咽，吃的多

　　why do you eat like a horse?

　　为什么你吃的那么多?

　　eat like a wolf 贪婪地吃，狼吞虎咽; 大嚼大啖;

　　eat out 下馆子、在外面吃饭

　　Once in a while we eat out.

　　我们时而在外面饭店用餐。

　　I've had enough/I'm full 我吃饱了

　　I'm full. That big lunch made me sleepy.

　　我吃饱了，那顿丰盛的午餐使我昏昏欲睡。