I'm going to stick my neck out and say that you probably don't know of what some of these idioms mean. But don't worry, let your hair down and we'll have some fun with these everyday English idioms that involve body parts, including "get cold feet", "get something off your chest", "play it by ear", and more. I'll give you real-life examples of how these expressions are used in daily conversations, so you'll never feel like you're in over your head!