put (someone or something) through its/(one's) paces

put (someone or something) through its/(one's) paces

To thoroughly test or examine someone or something so as to evaluate one's or its worth, ability, or functionality. I hope you're prepared for a lot of testing at your interview—the company really puts applicants through their paces, to make sure they can handle the stress of the job. Whenever you're buying a piece of equipment second hand, it's best to put it through its paces before you hand over the money for it.
See also: pace, put, through
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