Some people had difficulty with the lecture, but most understood.

有些人听讲有困难，但大部分人听懂了。

youdao

Unfortunately, my uncle sometimes had difficulty with his speech.

不幸的是，我的叔叔有时说话有点困难。

youdao

Unfortunately, my uncle sometimes had difficulty with his speech.

不幸的是，我的叔叔有时说话有点困难。

youdao