English Idioms About “Parts of the body”
Idiom: Keep your head above water
Meaning: Be just able to make enough money to survive.
Example: After his financial problems,he can hardly keep his head above water.

English Idioms About “Religion”
Idiom: Not have a snowball’s chance in hell
Meaning: (Also not have a cat in hell’s chance) not to be able to achieve something.
Example: He hasn’t a snowball’s chance of getting the money he needs for the project.