I wouldn't know ((anything) about that)
I have no knowledge or familiarity with what you are asking or discussing. Can be used glibly or sarcastically. A: "I absolutely love Barbados. It's one of the most beautiful places in the world!" B: "Hmm, I wouldn't know. I've never been able to afford a trip there." A: "I was wondering if you could help me. I need to fill out a form to have the deadline for my application extended." B: "I'm sorry, I wouldn't know anything about that." A: "Do you know how these drugs got here?" B: "No sir, officer, I wouldn't know about that."
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.
(I) wouldn't know.
There is no way that I would know the answer to that question. John: When will the flight from Miami get in? Jane: Sorry, I wouldn't know. Bob: Are there many fish in the Amazon River? Mary: Gee, I wouldn't know.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.