make sure of in English:

Please verify all the data.

I think you should verify your behaviour.

Please verify that there is sufficient memory available before loading the program.

How can I automatically verify someone's identity (i.e., they are who they say they are) online?

Aristotle maintained that women have fewer teeth than men; although he was twice married, it never occurred to him to verify this statement by examining his wives' mouths.

It's a cinch to learn to swim.

For a person who is in good physical condition, climbing mountains is a cinch.

For a stunt professional it would have been a cinch, but Harris had never been on a film shoot before.

Don't worry. Everything is cinched.

The biochemistry test was a cinch.