From day to day
One day at a time.We did not know from day to day if the weather would be good for the birthday picnic.
Free-for-all
A disorganized fight or contest involving everyone.The players were involved in a free-for-all during the game and seven players were suspended.
Free as a bird
Completely free.We were as free as a bird so we decided to go on a long holiday.
Free and easy
Carefree, informal.The man's attitude toward his work is free and easy.
Forever and a day
A very long time, forever, always.It took forever and a day to get the book that we ordered from the bookstore.
A foregone conclusion
A conclusion that is already decided.It was a foregone conclusion that the opposition party would win the election.
A force to be reckoned with
Someone or something that is important and should not be ignored.The young man is a force to be reckoned with in the wrestling world.
Force (something) down (someone’s) throat
To force someone to do or agree to something.I wish that my friend would not force her ideas down my throat.
Force (someone) to the wall
To push someone to an extreme position.The company forced the union to the wall during the negotiations for the new contract.
From dawn to dusk
From the rising of the sun to the setting of the sun.The farmworkers worked from dawn to dusk everyday in order to pick the lettuce crop.