I'll keep it under wraps. 비밀, 지킬게

[Jes.sec(윤은영)]

ㅋㅋ

I will keep it under wraps in the 노래방   ㅋㅎㅋ

[Bryan]

I would say... Don't worry.. my lips are sealed ^^ Have a good day~

[hey_yo(김진용)]

I heard.... 켁 Guess! who let the cat out of the bag? ㅋㅋㅋ

[James(許鎭)]

Same expression! "I'll keep it under the table".