on edge   (TTS發音)

excited or nervous；irritable興奮；緊張；煩躁不安

    The magician kept the children on edge all through his show. 魔術師在他的整個表演中使孩子們興奮不已。

    Most people feel on edge before exams. 考試前大多數人感到很緊張。

    Everyone was on edge to hear the verdict. 每個人都迫切地要聽到裁決。