an idiom is a saying that doesnt mean what it says. and example is someone saying the apple doesnt fall far from the tree, the are not actually talking about apples and trees they are usually talking about a parent and child relationship.
Work out a problem.
One such idiom is "Don't look a gift horse in the mouth."
To do work and focus
Hang in there!
It's not an idiom. "Fruits" means the end result of something, so "fruits of labor" would be what you earned from hard work.
It is not an idiom. "An honest day's work" means what it says. It means you work hard and honestly for a dollar or to achieve a good outcome doing your own work at home or doing volunteer work. It means hard work and done well. It also means work not done by crime.
To talk about work while you are in a recreational setting.
If your plans fall through, it means they did not work out.
under the bridge
Idiom is correct.
A real turkey is something that doesn't work right.
It's a card idiom. Your "hand" was the set of cards that you were dealt in the game. If you play the hand you were dealt, you don't try to cheat or get out of anything, but work with what you have.