blind alley　死胡同

You are heading into a blind alley.你正在钻牛角尖。

blow hot and cold　摇摆不定

This guy seemed to have no own idea.He always blew hot and cold.

这家伙好象没什么主张，总是摇摆不定。

blow one's own trumpet　自吹自擂

Don't blow your own tumpet.Let us see what on earth you can do.

不要自吹自擂了，让我们看看你到底能做什么。

born with a silver in one's mouth　出生在富贵人家

He is born with a silver in one's mouth.他是含着金钥匙出生的。

bland new 崭新的

a bland new coat　新衣服

break the ice　打破沉默

do somone good　对某人有好处

Having some moring exercises does you good.

Do you get me?　你明白我的意思吗?

doesn't count 这次不算

It doesn't count this time,try again.

doesn't make sense　不懂;没有任何意义

The sentence you made doesn't make any sense to me.

down and out 穷困潦倒

Being down and out,he couldn't support his family.

drive at　用意，意欲

What's he driving at?他用意何在?

drop in 偶然拜访

I dropped him in on my way to the hospital.

drop me a line　写信给我

On arriving the University,please drop me a line.