A "square meal" means a good, solid one. Typically, it is believed that you need three square meals a day in order to be healthy. However, one square meal would be better than not having any nutritious meals at all.
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.
This is slang - it means your spouse.
It means that it is extremely easy.
This mean someone is pretending to have good intentions, but in fact, it's just the opposite.
it is just an insult
Force someone to do something
UNKNOWN
It can mean that something is difficult or that a person is stubborn.
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.