acute observer

acute observer

Someone who is very perceptive and capable of making keen distinctions. Lou may be retired now, but he's still an acute observer of advances in the medical field. Jean is an acute observer of human behavior, so I believe her when she says that those two are having issues right now. A: "Oh my gosh, I didn't even notice they weren't wearing their wedding rings!" B: "What can I say, I'm a keen observer."
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
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