我起初说，我不知道怎么教。

I was like, I don't know.

youdao

我不知道你教的好不好。

I don't know if you teaches well.

youdao

我不知道他们是否懂了我所教的？

I don't know if they understand what I was teaching?

youdao

我不知道他们是否懂了我所教的？

I don't know if they understand what I was teaching?

youdao