put (someone/something) through (their) paces

to test the ability or skill of a person or system.

This contest will really put you guys through your paces.

Frank took the car for a drive through the mountains and really put it through its paces.

• close, but no cigar
• Close, but no cigar.
• close call
• closed-door
• close eyes to
• close eyes to something
• close its eyes to
• close its eyes to something
• close ranks
• close shave
• close the door on
• close the door on something
• close to heart
• close to home
• close to someone's heart
• close to the bone
• close to your heart
• close up shop
• Close your eyes and think of England.
• close your eyes to
• close your eyes to something
• closing the stable door after the horse has bolted
• cloth ears
• cloud on the horizon
• clue in