I don't understand why he broke up with you, he said he loves you.

我真不明白他为什么要跟你分手，他之前还说他爱你。

I hate 实战 - SpeakingMax英语口语达人

I can't understand why he dumped his girlfriend.

我真搞不明白为什么他甩了他女朋友。

I can't 实战 - SpeakingMax英语口语达人

I don't know why she dislikes me.

我真不明白她为什么不喜欢我。

I don't know 课堂 - SpeakingMax英语口语达人