I only know English a little.

呵呵！我的英语签名是抄来的。

youdao

I am sorry that I only know English and Japanese.

很抱歉，我只会英语和日语。

youdao

I feel that since many foreign experts came to China to work, they may have not studied Chinese before. They only know English so they might be isolated from the real China.

我觉得很多外国专家来中国工作以前，可能根本没有学过中文，他们只会讲英语，所以可能很难真正了解中国。

youdao