be above board 光明正大的
be crazy about 爱的发狂
例句： I am really crazy about Michael Jackson’s rock’n’roll.
我对麦克杰克逊的摇滚爱的发狂。
be for the birds 荒唐可笑的；毫无价值的
例句： Their opinions on art are simply for the birds.
他们对艺术的见解真是荒唐可笑。
beat it 叫人 " 走开 " 的 口语 ，和 "Be off! 差不多，不过比后者更流行。
例句： He kept on bothering me, so I told him to beat it.
他不停地烦我，因此我叫他走开。
beat ones brains (out) 指做事困难， " 伤透了脑筋 "
例句： I beat my brains (out) to get a job.
为了找寻工作，我伤透了脑筋。
beat sb to the draw 抢先某人行动
例句： Mary wanted to buy that painting by Picasso, but another millionaire beat her to the draw.
玛丽想买毕加索的那幅画，不过另一个百万富翁捷足先登了。
beat someone by miles 远强于某人
例句： When it comes to fishing, I beat him by miles.
讲到钓鱼，我比他棒得多。
beef 口语上常用来指 " 抱怨 " 或 " 发牢骚 " ；作动词时后面跟 about.
例句： Tell me what’s your beef?
你抱怨什么？
before you know it 口语为 " 很快 " 。
例句： I come back before you know it.
我很快就会回来。
behave yourse
