- 如坐针毡 [rú zuò zhēn zhān]
- sit on pins and needles; as if sitting on a spiked rug; be in an extremely uncomfortable position; be kept on the anxious seat; be on nettles; be on tenterhooks; be [sit; stand; walk] upon [on] thorns; feel as if sitting on a bed of nails; feel extremely uneasy; like a cat on hot bricks; sit on a cushion of needles -- ill at ease; sit on thorns; sitting on a rug [a carpet] full of needles
For the last few months, he has been on a bed of thorns.
I was on pins and needle the whole day until she finally telephoned.
We were kept on tenterhooksfor hours while the judges were deciding the winners.