I can not speak English very well but I can read document in English.

我很抱歉，我赌英语说得不好，但我能看懂英文资料。

youdao

I can read and understand, but I am unable to write in Chinese, and also my English is not so good.

我可以读懂文章的内容，但我不能用中文输入，同时，我的英文不够好。

youdao

I can read and understand, but I am unable to write in Chinese, and also my English is not so good.

我可以读懂文章的内容，但我不能用中文输入，同时，我的英文不够好。

youdao