I don't know about that
I am not sure that I agree; expressing doubt or skepticism.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“You want to walk home in this rain? I don't know about that.”
“My manager thinks we can finish the project by Friday, but I don't know about that given our current progress.”
“While the proposal promises significant long-term growth, I don't know about that, as the initial risks seem far too great for our company to manage.”
- 01
and I don't mean maybe
Indicating that one is serious and not joking about a matter.
- 02
as far as one knows
To the best of one's knowledge, as far as someone knows or possible information to be gathered about the topic, subject, aspect, or situation.
- 03
as you know
as it is already known.
- 04
don't call me sir, I work for a living
Used by senior enlisted military personnel to indicate that they are not commissioned officers.
- 05
don't call us, we'll call you
A stereotypical statement from a hiring organization to a potential candidate, suggesting that the candidate will not be hired.
- 06
don't drop the soap
Used as a mockery to someone who is about to be or should be confined in prison.
- 07
don't get someone started
Used to attempt to avoid or abbreviate a discussion that speaker or hearer may wish to avoid.
- 08
don't give up your day job
Somewhat sarcastic but usually good-natured advice used to criticise a person's degree of talent (especially in music or other performing arts), implying that they are unlikely to be successful.
Last updated August 10, 2026