Literally, "an honest day's work" means the amount of work expected by an employer who pays workers by the day on condition that they to work diligently. This is often used figuratively, to refer to a similar amount of diligent work by a person for his own goals, when no pay is expected.
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.
A real turkey is something that doesn't work right.
Squaw is a vulgar reference to a Native American woman. This idiom means work that is typically done by woman and work that is typically done by men.
Moonlighting means doing paid work that you do in addition to your normal job, especially without telling your employer that you are doing this.
under the bridge
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.
Work out a problem.
To do work and focus
It is not an idiom, it is a description of one work day. The "honest" part just refers to doing something legal and above-board instead of illegal or sneaky. You often hear this phrase used in the negative, as in "He's never done an honest day's work in his life," meaning that the person is lazy and probably getting money in some sort of sneaky or illegal fashion.
To know that I am earning my pay. An honest days work.
If your plans fall through, it means they did not work out.
A real turkey is something that doesn't work right.
If you "get your hands dirty" figuratively, you're willing to do the work yourself.
It means that you have a pile of work (or activities!) to shovel. Used as an explanation for not accepting other work or appointments.
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.
A difrence between workers and bosses, possibly a strike or work to rule.
Clockwork isn't an idiom that I'm aware of. The work means something that is mechanical, driven by old-fashioned gears and wheels. It can also mean something that runs as smoothly as if mechanical, or something repetitive and mechanical-seeming.