Now I know that what I learned are rough and fragile in proof.

现在我已经知道了，我所学的都是些粗糙、浅薄而经不起考验的学问。

youdao

Now I know that what I learned are rough and fragile in proof.

现在我已经知道了，我所学的都是些粗糙、浅薄而经不起考验的学问。

youdao