wait for the other shoe to drop
等待大事情的到来
口语·表达紧张等待坏事
英文释义
to anticipate something bad or unpleasant to happen
例句
I passed the exam, but I'm waiting for the other shoe to drop—the results might be wrong.
典故来源
源于20世纪初美国公寓生活，楼上住户脱一只鞋落地后，楼下人等待另一只鞋落地的声音，比喻等待另一件坏事发生。