English Idioms About “Numbers”
Idiom: Take forty winks
Meaning: The idiom take forty winks means to take a nap for a short period of time.
Example: I’ll just take forty winks before getting ready for work.

English Idioms About “Parts of the body”
Idiom: Dip your toe in the water
Meaning: (Also dip a toe in the water) said when you start something carefully because you are not sure whether it will work or not.
Example: I am doing some volunteer work at the new school to try and dip my toe in the water of working in the education field