Sentence examples for cannot tell for sure from inspiring English sources
You cannot tell for sure.
This weakens the claims – they may or may not be true, we simply cannot tell for sure.
Thus we cannot tell for sure who is predestined to salvation.
"When I see someone who looks like me, I feel like they are a relative," admits Jean Pierre, who believes he may be 26, but cannot tell for sure.
Once differences in cost estimates simply reflect differences in methods of measurement, one cannot tell for sure whether trade-offs exist between administration costs and drug acquisition costs or not; and to what extent administration costs could influence conclusions reached about cost-effectiveness.
As the American philosopher Mike Tyson once put it (channeling Helmuth von Moltke), "Everybody has a plan until they get punched in the mouth". Though one cannot tell for sure, the strategies presented above are probably arrayed in increasing order of effectiveness, from least (rhetoric) to most (retaliation).
And while I cannot tell you for sure what was going on in VC partner meetings across the world today – I'm a data point of exactly one – I think I have a pretty informed guess.
I cannot tell you for sure their water cooler is laced with LSD.
