idioms

cold hearted (cruel, uncaring, unfeeling) He was a cold-hearted killer. Don’t be so coldhearted; respect your elder brother.   envocabulary.com

come to mind (remember or think of) What would you like to eat? – I’m not sure; nothing comes to mind. When I was reading the book, a new idea for the plan came to mind.   envocabulary.com

change your mind (change your decision or opinion) I am not going, but if you are willing to go, I will change my mind. If you don’t buy the house now, she may change her mind and refuse to sell it.   envocabulary.com

change someone’s mind (make someone change an opinion or decision) I tried hard to convince him, but I couldn’t change his mind. You won’t be able to change my mind; I’m against the plan.   envocabulary.com

cast your mind back (try to remember) If you cast your mind back, you might recall that I never promised to work nights. Cast your mind back to your first day at this office.     envocabulary.com