let the cat out of the bag
US /lɛt ðə kæt aʊt əv ðə bæɡ/
UK /lɛt ðə kæt aʊt əv ðə bæɡ/

1.
membocorkan rahsia, mendedahkan rahsia
to reveal a secret, often accidentally
:
•
We were planning a surprise party for him, but his sister let the cat out of the bag.
Kami merancang parti kejutan untuknya, tetapi kakaknya membocorkan rahsia itu.
•
I accidentally let the cat out of the bag about their engagement.
Saya secara tidak sengaja membocorkan rahsia tentang pertunangan mereka.