and you can't figure it out yet you've gone to doctors they don't know why either.

你没法弄明白，即便你去找医生，他们还是找不出原因。

That's why 课堂 - SpeakingMax英语口语达人

But you can't put your finger on what the source of that confrontation was.

但是你还是搞不明白为什么她老是要跟你对着干。

I don't know 课堂 - SpeakingMax英语口语达人