Just pick out some English sayings which have something to do with foods:
a piece of cake容易的事
sell like hot cakes畅销
the apple of sb's eye 掌上明珠
an apple a day keeps a doctor away天天吃苹果,保证不用去看病
go bananas生气
an odd fish古怪的人
a hot potato棘手的事或状况
like as two peas in a pod长得一模一样
kill the goose that lays golden eggs杀鹅取卵
one can't make an omelette without breaking eggs
不破不立
a hard nut to crack不好说话的人或事
a tough cookie厉害的不好惹的人
