(of weather, a period of time, or an area) having a great deal of rainfall (天气,时间段,地区)多雨的 a rainy afternoon. 多雨的下午。
常用词组 a rainy day
used in reference to a possible time in the future when something, especially money, will be needed 可能有困难(尤指缺钱)的未来日子 putting money by for a rainy day. 存钱以备不时之需。