on pins and needles
非常紧张或焦虑的状态
口语·表达焦虑等待
英文释义
feeling very anxious or nervous; in a state of suspense or anticipation
例句
I was on pins and needles waiting for the interview results.
典故来源
源自坐立不安时像坐在针尖上的感觉，比喻极度紧张。