Quizlet - BODY
cost an arm and a leg
cold feet
play it by ear
a sight for sore eyes
Give the cold shoulder
all ears
break a leg
cry your heart out
keep an eye on
keep one's chin up
learn by heart, know by heart
let one's hair down
(my) lips are seale
pull one's leg
sweet tooth
get off my back
bite your tongue
cross your fingers
pain it he neck
you scratch my back and I’ll scratch yours
get sth off your chest