His marriage was going through a rough patch.

他的婚姻正处于一段艰难时期。

It's just a rough patch, that's all.

这不过是一段不开心的小插曲而已。

We all know someone who's hit a rough patch.

我们都知道有人遇到了困难。

I'm going through a rough patch in my life.

我正处于人生中的低潮。

Juventus is going through a rough patch right now.

目前尤文图斯队正处于低迷阶段。