我不知道我的理解是否正确？的翻译：Me didn't know my understanding is correct? 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I do not know whether my understanding is correct?

Me didn't know my understanding is correct?

I did not know my understanding is whether correct?

I do not know what is my understanding correct?

Me didn't know my understanding is correct?