Listening to him talk about his adventure in China was a real eye-opener.
2. fake someone out骗过某人
The quarterback faked the other team out by keeping the ball instead of passing it.
3. fall flat失败；碰壁；未达到预期效果
His joke fell flat because no one understand it.
4. cover for掩护
Don’t worry about mother, I’ll cover for you this time.
5. bite the bullet咬紧牙关，忍受痛苦
You just bite the bullet and get it over with.
1. big picture（事情的）主要部分；重点
Concentrate on the big picture for now. Don’t worry about the minor details.
2. bite the dust死亡，报销
This pen just bite the dust.
3. bleeding heart老好人
The liberal candidate was accused by his conservation opponent of being a bleeding heart on welfare issues.
4. bad news讨厌鬼
Marcy is nothing but bad news around here.
5. bad blood不和，敌意
Ever since Howard borrowed 5,000 dollars from Mike and never paid him back, there has been bad blood between them.
Brian is a real cheapo. He won’t even spend the money to buy his mother a birthday present.
It’s a cheapie. I spent only a couple of bucks on it.
3. chow down吃饭
Let’s chow down. I’m so hungry.
4. clam up住口，不说话（原意为“蚌壳合起来”）
When Vinnie entered the room, Mary clammed up.
5. chill out缓和情绪，冷静下来
Chill out. Things are not as bad as they seem.
1. out in left field疯了
He’s out in left field. Nobody ever understands what he is talking about.
2. out of it迷迷糊糊，昏昏沉沉，心不在焉
Sara’s always out of it, she has no idea of what goes on in the world today.
3. out of luck运气不好
You’re out of luck. The last bus left half an hour ago.
4. out of this world太棒了，好极了
This food is out of this world. I’ll have to get your recipe.
5. out of whack坏了
This phone is out of whack. You can’t dial out.
1. be caught dead 献丑，出洋相
I wouldn't be caught dead in that ugly outfit.
2. not by a long shot 绝不可能
There's no way he could have won, not by a long shot.
3. off the top of one's head 不假思索，马上
I can't tell you the information off the top of my head. I'll have to look it up.
4. life in the fast lane 刺激的生活（fast lane快车道）
Jane like to live life in the fast lane.
5. bow out 不干了，退出
Mr. Black often quarreled with his partners, so he finally bowed out of the company.
1. bend over backwards 不遗余力
Sue will eng over backwards to help her friends.
2. all ears 全神贯注
Whenever you tell Jonny some gossip, he's all ears.
3. get lost 滚开
A stray cat was lurking outside the fish market and the ower yelled at it," Get lost!"
4. pump up 热切期望
Everybody on campus is pumped up about Saturday's big game. The winning team will get the national title.
5. put someone out 给某人添麻烦
Please don't go to so much trouble. I don't want to put you out.