save money for a rainy day
为了不时之需而储蓄金钱
口语·理财建议
英文释义
To save money for a future time when it may be needed or when there may be unexpected expenses.
例句
I always save money for a rainy day, just in case.
典故来源
源于16世纪英国谚语，指雨天无法外出工作，需提前存钱应对困难时期。