Body idioms:
1. All ears: fully listening
E. g. Give me a minute to finish my work and then I'll be all ears to hear about your project.
2. Break a leg: good - luck
E. g. Today's the big game, eh? Break a leg!
3. Cold feet: nervous just before a big event
E. g. My sister didn't get cold feet until she put her wedding gown on.
4. Cost an arm and a leg: be very expensive
E. g. These cakes are delicious, but they cost an arm and a leg.
5. Cry your heart out: cry very hard
E. g. I cried my heart out when my best friend moved away.
6. Face the music: meet, stand up to unpleasant consequences, for example, criticism or punishment
E. g. I stayed out all night. When I eventually got home I had to face the music from my wife.
7. (my) flesh and blood: relative
E. g. I have to hire Mia. She's my own flesh and blood.
8. Get something off one's chest: tell someone your problems
E. g. Thanks for listening to me complain about my boss. I just needed to get this off my chest.