save/keep money for a rainy day idiom
存钱以备不时之需;有备无患;未雨绸缪
to save money for a time when it might be needed unexpectedly
Luckily she had saved some money for a rainy day. 幸好她未雨绸缪早有准备。
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。