1.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。2.be on a diet节食Linda seems always to be on a diet.琳达好像一直在节食。3.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。