Don't give the game away before the surprise party starts
He accidentally gave the game away when he mentioned the secret location
The detective tried to give the game away by dropping hints about the suspect
She tried to keep her plans a secret, but her excited tone gave the game away
If you tell him the ending, you'll give the game away
The politician's nervous fidgeting gave the game away about his true feelings
We were trying to plan a surprise, but my little brother gave the game away
His smirk gave the game away; he knew exactly what was happening
Don't give the game away to the competitors by revealing our strategy
The sudden silence from the team gave the game away that they had lost
Did you tell them the secret plan?
No, I did not want to give the game away.
Good, we must be careful with this information.
Don't give the game away before the end
Don't reveal the surprise prematurely
Keep the secret until it's time