as right as rain
健康或状态良好，没有问题
口语·日常·表示状态良好
英文释义
in perfect or excellent condition; feeling or doing well
例句
Don't worry about me, I'll be as right as rain after a good night's sleep.
典故来源
源自英国多雨气候，雨水被视为健康、清新和正常的象征，表示状态完美。