Matching Pairs Idioms Matching GameOnline version Test your knowledge of idioms with this fun matching pairs game! by Janice Gaskin 1 Cost an arm and a leg 2 A piece of the pie 3 Piece of cake 4 Kill two birds with one stone 5 Break a leg 6 Hit the nail on the head 7 Bite the bullet 8 Scared of his own shadow 9 Let the cat out of the bag 10 lone it (loned it) A share of something Accomplish two things at once Good luck do (did) it alone. Face a difficult situation Reveal a secret Expensive Easy Correct Unreasonably afraid of most everything.