一针

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

你最后真是针血。

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

我相信注射针退热剂会使你热度立刻降下来。

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针强心剂。

Knit one, purl one.

正针，倒（反）针。

The boy received a jab.

孩子注射了针。

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针线里。