I cant understand the concept, its too abstract.

我理解不了这个概念，它太抽象了。

youdao

They say I gotta learn, but nobody's here to teach me, if they cant understand it, how can they reach me?

他们说我需要学些什么，但是这里没有人教我，如果他们不能理解这点，那他们如何能够教我甚么呢？

youdao

If you only learn the grammar rules by heart and dont do enough exercises, it is certain that you cant understand them perfectly.

如果你仅仅牢记语法规则而不做足够的练习，你肯定不能充分理解它们。

youdao

The reason why I get so passionate about this subject and about cruelty in general whether it be to an animal or person is that life is short and precious, not just for us but for animals also, I just cant understand why people could take another living things life for fun.

BBC: Hunting with dogs: Is delaying the decision the answer?