He is on pins and needles.

他如坐针毡。

He's on pins and needles.

他坐立不安的。

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。

The father-to-be is on pins and needles.

即将成为父亲的人紧张地如坐针毡。