can't say for sure

(I) can't say for sure

I don't know with certainty. A: "How many people are coming to dinner tonight?" B: "I can't say for sure—my family tends to just show up without responding to invitations."
See also: say, sure

(I) can't say for sure.

Inf. I do not know with any certainty. Tom: When will the next train come through? Jane: I can't say for sure. Bob: How can the driver hit so many potholes? Bill: Can't say for sure. I know he doesn't see too well, though.
See also: say, sure
References in periodicals archive ?
Even if the BOJ succeeds in expanding the base money liquidity, you can't say for sure the extra money will flow out of Japan in the form of short-term money.
I can't say for sure that I am truly safe from the death penalty since the money has not been turned over to the aggrieved family.
There are some signals of the virus and we don't know if they are real or contamination, and, at this point, we can't say for sure whether there's been a complete eradication of HIV," Sciencelnsider reported.
But I really can't say for sure, because if anyone is feeling punch drunk at the moment - a boxer's occupational hazard, of course - it has to be me
I'm not a wizard so I can't say for sure what will happen after December.
He seems to have retained his ability in his homework, but with the lack of a racecourse gallop we can't say for sure.
Of course, we can't say for sure, but we do see support at the $32 an ounce level," he noted.
Whether they're the longest residents to live there I can't say for sure, but they must be one of them.
I can't say for sure but suspect it's true--it is certainly compelling and relaxing
Physicians have a new option this year for vaccinating patients aged 65 and older against seasonal influenza, but vaccine experts can't say for sure whether it will keep more people from getting the flu, according to a report in the Morbidity and Mortality Weekly Report.
Dillard's has not filed its complete annual report, so we also can't say for sure how profitable CDI was.
He can't say for sure if C&C shares his vision, however, with rumours that the Irish group will use Gaymer's cider mill for UK mass-market production of Magners, which has retail sales of 65m [pounds sterling] in the off-trade alone.
We can't say for sure how many," he said, but even the most cautious estimate would indicate "several hundred at least, maybe 1,000 or 2,000 even".
Peres) is meeting with many factions today, and something might change, so I can't say for sure he will choose Tzipi Livni, but that's how it's looking", Peres spokeswoman Ayelet Frish told Army Radio.
Idioms browser ?
Full browser ?