fall from someone's lips
US /fɑːl frəm ˈsʌm.wʌnz lɪps/
UK /fɑːl frəm ˈsʌm.wʌnz lɪps/

1.
從口中說出, 被說出
to be spoken by someone, often unintentionally or in a particular manner
:
•
A harsh word never fell from her lips.
一句狠話從未從她口中說出。
•
Every word that fell from his lips was a lie.
他口中說出的每一個字都是謊言。