give the lie to
To call (someone) a liar.
The police gave the lie to the man who said that he had been at home during the robbery.
To show (something) to be false; prove untrue.
The boy's dirty face gave the lie to his answer that he had washed.
give the sack
give the hook
To fire from a job; dismiss.
The bank has done its best to give the sacked staff enough time and compensation.
give the shirt off one's back
To give away something or everything that you own.
He'd give you the shirt off his back.
give the show away
To reveal a plan or information that is supposed to be secret.
You have read further in the book than I have, but please don't tell me where the treasure was buried; otherwise you'd be giving the show away.
give the slip
To escape from (someone); run away from unexpectedly; sneak away from.
An Indian was following, but Boone gave him the slip by running down a hill.
Some boys were waiting outside the school to beat up Jack, but he gave them the slip.
give the willies
To cause someone to be uncomfortable, fearful, or nervous.
Sue hates to camp out in a tent; the buzzing of the mosquitoes gives her the willies.
give thought to
To consider; think about.
Have you given any thought to the question of how to sell Grandpa's old house?
give to understand
To make a person think that something is true but not tell him; suggest; hint.
Mr. Johnson gave Billy to understand that he would pay him if he helped him clean the yard.
To make a person understand by telling him very plainly or boldly.
Frank was given to understand in a short note from the boss that he was fired.