under one's hat
/ˈʌndə wʌnz hæt/
Kept secret or confidential.
“The surprise party must stay under your hat until Saturday.”
My Deckに追加
inoh
inoh
/ˈʌndə wʌnz hæt/
Kept secret or confidential.
“The surprise party must stay under your hat until Saturday.”
My Deckに追加