When it rains, it pours 事情接连发生(坏事用的更多)，祸不单行

I lost my purse and I was late. When it rains, it pours.

我丢了钱包，还迟到了，真是祸不单行。

When it rains, it pours. Mike's wife left him too!

祸不单行啊， 麦克的老婆也离开他了。