I have a comment about a topic that is at the heart of the friends have written and asked the teacher what I want to know and don't understand the writing thread, because I rarely have the knowledge about this subject.
I made a comment about a topic that I have written in and asked what I wanted to know and do not understand the topic. Because I had little knowledge about it.
I made the comment about the topic that the class has written and asked the master what ฉันอยากรู้ and understand in writing topics. Because I don't have much knowledge about it.