beat (someone) at (their) own game

British, American & Australian

play (someone) at (their) own game - to try to get an advantage over someone by using the same methods as them.

He's always playing practical jokes on other people so just for once, I felt I'd beaten him at his own game.

• see someone through something
• see something for what are
• see something for what really are
• see something for what they are
• see something for what they really are
• see something through
• see stars
• see the back of
• see the back of someone
• see the back of something
• see the colour of money
• see the colour of someone's money
• see the error of its ways
• see the error of ways
• see the error of your ways
• see the glass as half empty
• see the glass as half full
• see the glass half empty
• see the glass half full
• see the light
• see the light of day
• see the sights
• see the writing on the wall
• see things
• see through