Rainy day - time of emergency
We have to save money for a rainy day. 我们必须存款以备急时之需。晴天得存雨天粮。
Don't you worry, honey! A rainy day might come sometime in our lives. 亲爱的别担心!在我们生命中也许会碰到困难的日子。
Her father advised her not to spend all the money and to save some for the rainy day. 她爸爸劝告她不要把所有的钱花光,存一些以备急需之用。
Some governments have a rainy day fund in their budgets. 有些政府在预算中备有救急基金款项。