Ask for the moon
To ask for something enormous or unreasonable - maybe impossible to obtain. The woman is asking for the moon. She will never get what she wants.
Funny Idioms
As tough as an old boot
Very tough, not easily moved by feelings such as pity. The old lady is as tough as an old boot and never shoes her feelings at all.
As sick as a dog
Very sick. My friend was as sick as a dog when he left the restaurant last night.
As crooked as a dog’s hind leg
Dishonest. The politician is as crooked as a dog's hind leg and nobody trusts him.
As comfortable as an old shoe
Very comfortable, very familiar. I felt as comfortable as an old shoe when I entered my aunt's house.
Argue for the sake of arguing/argument
To argue only to be different. My brother always argues for the sake of arguing.
Apple of (someone’s) eye
Someone or something that is very precious or important to you. The man's youngest daughter is the apple of his eye.