大白话:

来源: 于 2011-12-09 02:48:26 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

天有不测风云，人有旦夕祸福

A good fortune may come our way unexpectedly at one moment and a misfortune at another, just like Mother Nature is unpredictable sometimes.