They have little acquaintance with colloquial English.

他们对英语会话几乎一窍不通。

The assembly hall was overcrowded long before the performance began.

演出开始前, 大会堂里早已挤得水泄不通了。

I’m afraid geophysics is rather a closed book to me.

我对地球物学一窍不通。

Look, you've typed “do” as “so”, and made nonsense of the whole sentence.

瞧, 你把do成了so, 这样一来句子就不通了。

Don’t ask him to organize things! He doesn’t know his arse from his elbow!

千万别让他来组织，他一窍不通。

The scheme was criticized as too idealistic and impracticable.

人们批评这个方想化,行不通。

My original intention was to study all morning, but this turned out to be impractical.

我原本算整个上午都学习，来发现行不通。

My contention is that the scheme will never work.

我认为这个方行不通。

It's a sealed book to me.

我对这一窍不通。

These ideas no longer obtain.

这些见解已经行不通了。

Your suggestions are unworkable.

你的建议行不通的。

That cat won't jump.

这一手行不通。

Conclusion The lacrimal pathway obstruction after external dacryocystorhinotomy can usually be cured by the transnasal endoscopic examination and treatment.

结论对经鼻外泪囊鼻腔吻合术泪道不通病例，鼻内镜下对吻合口进行检查，针对不同情况进行相应处，常能使病人再次康复。

The chimney is foul.

烟囱不通了。

But bets against the dollar could sour fast. One risk is that the economic recovery could outdistance almost everyone's expectations.

不过，看跌美元能很快就行不通了。一个风险，经济复苏能会超过几乎所有人的预期。

I also think impassability, they so southwest the place of 4 wreaths, how run to recruit a person in the pass village.

我也想不通，他们那么西南4环的地方，怎么跑到中关村去招人。

If an administrator has no access to information, it’s as if he was purblind and hard of hearing and had a stuffed nose.

做管工作的人没有信息，就鼻子不通，耳目不灵。

At first he was most dictatorial and aggressive in what he said,but when he realised that he would get nowhere by that means,he began to sing another tune.

起初他的说法十分专横武断,但当他认识到这样做行不通的时候,他就开始改弦易辙了。