one's lips are sealed
/wʌnz lɪps ə(ɹ) siːld/
One promises to not reveal information.
“It is essential that one's lips are sealed.”Add to my deck
/wʌnz lɪps ə(ɹ) siːld/
One promises to not reveal information.
“It is essential that one's lips are sealed.”Add to my deck