No comment. I don't know anything.

无可奉告。我什么也不知道。

《柯林斯英汉双解大词典》

Honestly, I don't know anything about it.

我真的对此一无所知。

《柯林斯英汉双解大词典》

"I don't know anything about him," snapped Mary.

“我根本不认识他。”玛丽厉声说。

youdao

"How does he know what they want?" "Well he lives in the North Pole, I don't know if there's like a speaker or anything, for them to hear what children want."

VOA: special.2009.12.21

But the students, they think that I'm an old woman from the cave and I don't know anything

但学生们认为我是住在洞穴的老女人，我什么也不懂，

对于抄袭的想法 - SpeakingMax英语口语达人

I don't know anything about are any of you from Arizona, I don't know.

我不知道你们有没有来自亚利桑那州的

耶鲁公开课 - 博弈论课程节选

But I really can't comment on the -- I don't know anything about that.

WHITEHOUSE: Press Briefing

"I don't know anything about it, that's not in my domain, " he added.

BBC: Rangers manager Walter Smith weary of referee criticism

"I always get into things I don't know anything about, but I have a creative approach to it, " she says.

WSJ: Stefanie Brendl: To Swim With the Sharks | Creating