in hot water 有麻烦 He is in hot water with his girlfrie

  他跟女友的关系有点僵。

其他句例：

1。 Maroon 5 frontman Adam Levine is in hot water with his girlfriend for kissing his favourite actress, Kelly Preston, in his new video。

2。 In a special one hour Christmas episode, Michael sends out an inappropriate Christmas Card which lands him in hot water with his girlfriend Carol。

3。 Scott is in hot water with his girlfriend when he is dragged into a brawl with Vern, a belligerent little person。 。

他和他的女朋友闹别扭了。

他对他的女朋友束手无策了。

楼上的说法有道理，不过我感觉不太符合中国人说话的习惯。

按照我的理解，比较确切的翻译应该是：

他和他女朋友的关系出现了问题。

或者：

他和女朋友之间有了麻烦。