一针

The last observation of yours has hit the nail on the head.

你最后意见真是一针见血。

Knit one, purl one.

正一针，倒（反）一针。

The discovery of gas reserves was a muchneeded shot in the arm for the economy.

发现气田给经济注入了急需一针强心剂。

I'm sure an antifebrile injection will bring your fever down in no time.

我相信注射一针退剂会使你降下来。

The boy received a jab.

孩子注射了一针。

I pull out the jacket and pause to chuckle at the zigzag tear on its sleeve, which even careful stitchery could not completely hide.

那些共同拥有想法和情感，那些温暖话语都编织在衣服一针一线里。