Trouble

最困扰很多二线城市的是人才的短缺。

What troubles many second-tier cities the most is a shortage of talent/the talented.

告白\(//∇//)\

The love letter from Donald troubled the girl with a sensitive heart.

网络游戏

The glooming mobile games are troubling the parents. They’re worried about their children ，who are weak in controlling themselves.