I had pins and needles in the tips of my fingers.

我手指发麻。

He is on pins and needles.

他如坐针毡。

Pins and needles on his back.

他的背上插著钉子和针。

Mrs. Watson sat on pins and needles.

沃森太太如坐针毡。

I was on pins and needles.

我急得如坐针毡。