I wouldn't put it past somebody

I wouldn't put it past (someone)

Based on that person's pattern of behavior, it is not impossible to imagine them engaging in that kind of bad behavior. Do I think Joe stole the money? Honestly, I wouldn't put it past him. He has no conscience. It seems a bit far-fetched that the government is spying on us with our own appliances, but I wouldn't put it past them.
See also: past, put
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

I wouldn’t put it ˈpast somebody (to do something)

used to say that you think somebody is quite capable of doing something surprising, unusual, etc: ‘Do you think he’d ever steal from his friends?’ ‘I wouldn’t put it past him.’
See also: past, put, somebody
Farlex Partner Idioms Dictionary © Farlex 2017
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