So first, you can ask for an explanation on a certain grammar form or tense if you struggle with something.

首先，如果你对某件事感到困惑，你可以要求解释某种语法形式或时态。

If you wanna learn English in depth, then maybe you should use some more traditional resources to learn things that are a little more than just the explanation of a word or a certain grammar form.

如果你想深入学习英语，那么也许你应该使用一些更传统的资源来学习一些不仅仅是解释一个单词或某种语法形式的东西。