idioms

sick at heart (very sad) He was sick at heart about being away from home. I was sick at heart when I saw the boy, half dead from hunger. envocabulary.com

  search your heart (study your reasons and feelings for doing something) Search your heart before you decide to split up. I want to search my heart and decide what to do next. envocabulary.com

put your heart into something (to do something with all your effort) He is the kind of worker who always puts his heart into his work. Put your heart and soul into all facets of the business. envocabulary.com

pour your heart out (tell your secret feelings or thoughts) It’s not a good idea to pour your heart out to everyone you meet. I poured my heart out to you, and I hope you’ll keep it under your hat. envocabulary.com

  do something your heart out (do something with all your energy or emotion) Even though I played my heart out, he still won the chess game. She danced her heart out to the music. We will go on stage and sing our hearts out.   envocabulary.com