tell from

tell something from something

to know something because of something, such as evidence, signs, experience, etc. I can tell that she's lying from the way she holds her eyebrows. I can't tell anything from what you told me.
See also: tell

tell from

v.
To perceive something as being different or distinct from something else: I couldn't tell the homemade cookies from the ones that were bought at the store.
See also: tell
References in periodicals archive ?
This is a real killer, you can tell from his moves.