一针

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

发现气田给经济入了急需一针强心剂。

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

你最后意见真是一针见血。

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

我射一针退热剂会使你热度立刻降下来。

The boy received a jab.

孩射了一针。

Knit one, purl one.

正一针，倒（反）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.

那些共同拥有法和情感，那些温暖话语都编织在衣服一针一线里。