介绍:
1.Pick one’s brain去找某人求教，请教某人，向别人了解情况，征求精通某个问题的专家的意见Pick one’s brains
I’d like to pick your brain.
I’d like to pick their brain.
If you pick someone&`&s brains, you ask them to help you with a problem because they know more about the subject than you.
2.rack/beat one&`&s brains. 绞尽脑汁；煞费苦心；开动脑筋；大伤脑筋
I racked my brains for hours to solve the puzzle.我冥思苦想好几个小时,试图解开这道谜.
She racked her brain trying to remember his name.她绞尽脑汁,想他的名字.
3. scatterbrain（注意力不集中的人、糊涂虫,马大哈）
Aunt Mary is such a scatterbrain that she always forgets something.
玛莉阿姨糊里糊涂的，她总是忘东忘西
. Do you like brain teasers? Tongue twister绕口令
你喜欢玩脑筋急转弯吗？
. She was the brains behind this.这都是她想出的主意。
. My brain is not working. 我不是很明白。
4. give/lend sb a hand表示“帮助某人”，而with one&`&s hand表示“亲手……”。
At first hand=directly直接地
At second hand=indirectly间接地
得力助手：
Need a hand?要帮忙吗？I saw it at first hand.我亲眼所见。
He&`&s my right-hand man.他是我的得力助手。
Give me a hand.帮我个忙。
Hand in glove 关系密切
They are hand in glove.
5.break a leg=good luck, shake a leg=hurry up
Pull one’s leg 开某人的玩笑，play a joke on sb.
Are you pulling my leg？你开玩笑的吧?
My legs fell asleep. I can’t feel my legs腿麻
Sth cost sb an arm and a leg某物花了某人一大笔钱，某物非常昂贵
give sb a leg up 帮助某人，用钱[影响力]帮助人
