The idiom "a burnt child dreads the fire" means that a person who has experienced a traumatic event or difficult situation may be reluctant to go through it again or approach similar situations in the future.

"A cinch" is an idiom that means something that is very easy to do or understand, or something that is not difficult to deal with. The figurative meaning of the idiom is that a task or situation is so straightforward that it seems like a snap or a breeze.

The idiom "good Samaritan" refers to a person who is kind, generous, and selfless in helping others. It suggests someone who goes beyond their duty or expectations to provide assistance to someone in need.

The idiom "back to basics" means going back to the original or basic principles of something, usually in order to understand it more fully or solve a problem. It can also mean starting over or beginning again from the beginning.

The idiom "beat the heat" refers to finding a way to avoid or escape from an unpleasant situation, person, or place. It can also mean seeking relief from something that is difficult or unbearable, such as a difficult job or an unwanted guest.