At best
You use “at best” to indicate that even if you describe something as favorably as possible or if it performs as well as it possibly can, it is still not very good.
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DefinitionYour turn
You use “at best” to indicate that even if you describe something as favorably as possible or if it performs as well as it possibly can, it is still not very good. Enforcement of the law in this area is spotty “at best,” or enforcement of the law in this area isn’t very good. The project will be finished two weeks late “at best.”