These idioms are the most popular in use among Americans

Most common American idioms in use

it means to help someone or assist.

Example: I am moving to a new apartment next week I would appreciate if you could give me a hand.

when someone suddenly and completely cut off someone from communication. 

Example: I have been talking to this guy for a month and after first date he has ghosted me I am so shocked.

remain persistent and determined in difficult circumstances

Example: This situation is so difficult but just hang in there!

to start from beginning: to start from nothing:

Example: I am going to bake a pie tonight. "Do you have all ingredients? " "Yes. I am making from scratch

to calm down, relax, and not get so worked up or stressed

Example:Stop shouting at the referee and take a chill pill.": (Someone is getting overly upset about a sporting event)

to wait a moment, be patient

Example: "Can I borrow that magazine?" " Hold your horses! I haven`t finished it yet."

to make people who have not met before feel more comfortable and relaxed with each other

Example: Mark told a joke to break the ice.