"Her foot went asleep" refers to her foot feels numb, such as you stop moving it for a long time and it feels weird when you move it, like needles are being pushed through it, but less pain, but it wears off as though it's waking up.
babysitting
traitor, backbiter
Think about this and you can figure it out. An idiom seems to mean one thing but actually means another. Does "with regard" mean just what it seems to? Yes, it does. Therefore, this phrase is not an idiomatic expression.
It means that it is extremely easy.
This is slang - it means your spouse.
It can mean that something is difficult or that a person is stubborn.
Force someone to do something
it is just an insult
This mean someone is pretending to have good intentions, but in fact, it's just the opposite.
An idiom is a phrase that has a figurative meaning different from its literal meaning, while an idiomatic expression is a specific phrase or sentence structure that is characteristic of a particular language or dialect. Idioms are a type of idiomatic expression, but not all idiomatic expressions are idioms.
lt means like extremly angry.
The expression is not idiomatic. It means exactly what it says. To be sent on ( or for) errands means to be out on a shopping trip, or such like, for someone. Mother sent me on errands to the grocery store and the dry cleaners.