Air ducts and electrical cables were threaded through the complex structure...

I lost the thread of the argument (= I could no longer follow it) .

我再跟不上这论证的思路了。

The author skilfully draws together the different threads of the plot.

作者娴熟地把情节的各种线索串联在一起。

a robe threaded with gold and silver

用金银线缝的长袍

to thread a needle (with cotton)

（用棉线）纫针

the delicate threads of a spider's web

蜘蛛网的纤丝

to thread beads (onto a string)

（在绳子上）把珠子串起来

It took me a long time to thread my way through the crowd.

我花了很长时间才从人群中挤过去。

Slowly she threaded her way back through the moving mass of bodies...

她从人流中慢慢地挤了回来。

A common thread runs through these discussions.

这些讨论都贯穿着一条共同的主线。

All religions are united by the common threads of fighting evil and helping others...

所有宗教都因为惩恶助人这一共同主题而联合起来。

...a cheap place to pick up natty threads.

能买到既整洁时髦而又便宜的衣服的去处

...threading our way past little boats...

我们在小船中间蜿蜒穿行

The screw threads will be able to get a good grip.

螺纹能牢牢地咬合卡紧。

A thread of light emerged from the keyhole.

从锁眼里透出一丝光亮。

...a tiny Nepalese hat embroidered with golden threads.

带有金丝线刺绣的尼泊尔小帽

He's incompetent, he'll have to go.

他不称职, 得辞掉他.

The man was a fool, he thought, or at least incompetent.

他想道，那人是个傻瓜，或者说，至少很无能。

I was incompetent at playing the piano.

我钢琴弹得不好。

He was dismissed as incompetent.

他被认为无能而遭辞退.

He wants the power to sack incompetent teachers.

他想取得解雇不称职老师的权力。