give the game away

US /ɡɪv ðə ɡeɪm əˈweɪ/
UK /ɡɪv ðə ɡeɪm əˈweɪ/
"give the game away" picture
1.

membocorkan rahsia, mengungkapkan kejutan

to reveal a secret or surprise, often unintentionally

:
Don't give the game away by telling her about the surprise party.
Jangan membocorkan rahsia dengan memberitahunya tentang parti kejutan itu.
His nervous laughter almost gave the game away.
Ketawa gugupnya hampir membocorkan rahsia.