rat out
US /ræt aʊt/
UK /ræt aʊt/

1.
membocorkan rahsia, melaporkan
to inform on someone, especially to an authority
:
•
He threatened to rat out his accomplice if he didn't get a bigger share.
Dia mengancam untuk membocorkan rahsia rakan subahatnya jika dia tidak mendapat bahagian yang lebih besar.
•
Don't rat out your friends, it's not cool.
Jangan membocorkan rahsia kawan-kawan awak, itu tidak bagus.