一日一成语【219】on the hot seat 坐立不安

on the hot seat
[俚]坐立不安

Knowing the new leader will come, he is now on the hot seat.
听说新领导要来，他坐立不安，心神不定。

注解：
seat指座位，hot为灼热的，to be on the hot seat指坐在灼热的椅子上，喻指如坐针毡，心神不定。