我不知道你是否记得在地铁站的那一幕。

I don't know if you remember, there was a scene in a subway station.

youdao

不知道你是否记得我曾打听过这方面的情况。

I wonder if you remember my asking for the information.

youdao

我说，“我不知道你是否记得这些……”我把这个故事告诉了他。

I said, "I don't have any idea if you remember this...," and I told him the story.

youdao