a very studious person, intellectually gifted in the field of academics, a very intelligent person
I think Jane will do well in her finals. She has always been a kind of egghead from elementary school all the way through college.
我相信，简在总决赛一定会有出色的表现。从小学到大学，她一直都很努力。
an important and influential person
Do you know Peter? He’s a big cheese at the company, he may help you to get a good job there.
你认识皮特么？他是公司里举足轻重的人物，也许能帮你在这谋得一份工作。
a very lazy person who watches too much TV
My uncle is a couch potato, you never see him without the remote control in his hand.
a very determined person, a person who is difficult to deal with
There is a tough cookie on the phone, he insists to talk to the manager, shall I put him through?
leader, boss, the chief person in a group, the head of a project
I don’t know when we’ll finish, ask Jack, he’s the top banana here.
我不知道什么时候完成，问问杰克吧，他是这里的负责人。
He’s a real bad apple. If I were you, I wouldn’t let my daughter go out with him.
他不是什么好人。我要是你，绝不会让女儿跟这种人谈恋爱。
pretending to dislike something that you can’t have
The losers say they don’t mind that they couldn’t win the cup, but I’m sure this is only sour grapes.
cn]虽然失败者总说自己不介意与奖杯失之交臂，但是我确定他们只是吃不到葡萄说葡萄酸。[/cn]
an American law that protects those who buy defective cars or other consumer goods
用来保护那些购买到有缺陷的汽车或其他残次消费品的美国法律
Unfortunately, his new car had an engine defect, but he received a complete refund in accordance with the lemon law.
真不幸，他的新汽车引擎有缺陷，但是根据伪劣商品赔偿法，他将收到全额退款。
This expression is used when somebody is pregnant.
I have a bun the oven, the baby is due in 7 months.
This idiom describes a person who earns a living or provides financial support to the home.
You need to find a good job and bring home the bacon.
Describes something that is tacky, silly, inauthentic or cheap.
That cliche was socheesyand expected.
This describes somebody that is excited about something or very energetic and lively.
The kids were full of beans after the birthday party.
This describes something that is really easy to do or takes very little effort.
The exam was a piece of cake. I knew all the answers, I was finished within half an hour.
对我来说，这场考试简直是小菜一碟。每道题我都会，不到半小时就做完了。
This idiom is used when somebody tells a secret that they shouldn’t have.
Spill the beans, how did you know the answer to the mathematics question?
15.Take with a pinch of salt
This idiom is used when somebody is skeptical about something or someone.
The statistics in the report need to be interpreted with a pinch of salt as they don’t include all the factors.
This idiom is used when somebody flatters somebody else, usually because they want something from them.
The employer buttered up to the manager as he wanted to be promoted to the new position in work.
