idioms

close to your heart (something important to you) Human welfare is a subject very close to my heart. (someone you love) I never knew that Ashley was so close to your heart; you two are really falling for each other. close to your heart – English Vocabulary

chicken hearted (fearful, cowardly) If you’re so chicken-hearted, you shouldn’t have come out with us. Don’t be so chicken-hearted. Let’s dive into the water from that diving board.   chicken hearted – English Vocabulary

change of heart (to change your opinion or feeling about something) She had a change of heart after learning the details of the deal. He was going to sell his car but had a change of heart at the last minute.   Change of heart – English Vocabulary

by heart (from memory, memorized) We had to learn the entire poem by heart. I have dialed your number so many times that I know it by heart.   by heart – English Vocabulary

break someone’s heart (make someone feel very sad) Jacob broke Sophia’s heart when he left her for another woman. It breaks my heart to think of how they left the animals to starve to death.   break someone’s heart – English Vocabulary