Chinese doesn't belong to the same language family with French, Arabic or English, therefore, many peoples feel Chinese is very difficult to write.

中文与法语、阿拉伯语、英语等非同一语系，所以，很多人会认为中文很难写。

youdao

Since China does not have an extradition treaty with the US it is very difficult to bring back Chinese suspects to stand trial in the country, Huang said.

黄锋说既然中国和美国还没有签订引渡条约，那么要将中国的涉案人员从美国引渡回来接受审判是非常困难的。

youdao

May you offer some support? This is really a very difficult thing for an ordinary Chinese family.

可不可以得到一些资助，因为对于一个普通的中国家庭来讲是一件非常困难的事情。

youdao

Although this is certainly possible, it is very difficult to gain serious traction in the Chinese marketplace by pursuing a purely export strategy, or by contract manufacturing and selling through sales agents.

FORBES: Staking Out Your Market Position In China: Part II