No one, what kind of knowledge is a difficult achievement.

不会触类旁通，研究哪一门学问都难有成就。

youdao

You will understand that in a case like this it is surprisingly difficult to tell what one can, may and must do.

你明白，在这样的情况下，要判断一个人可以、也许以及必须做什么是出乎意料地困难。

youdao

You will understand that in a case like this it is surprisingly difficult to tell what one can, may and must do.

你明白，在这样的情况下，要判断一个人可以、也许以及必须做什么是出乎意料地困难。

youdao