read someone's lips

US /riːd ˈsʌm.wʌnz lɪps/
UK /riːd ˈsʌm.wʌnz lɪps/
"read someone's lips" picture
1.

leer los labios, entender por el movimiento de los labios

to understand what someone is saying by watching the movements of their lips, without hearing their voice

:
The music was so loud, I had to read her lips to understand her.
La música estaba tan alta que tuve que leerle los labios para entenderla.
He couldn't hear me over the crowd, so I just pointed and hoped he would read my lips.
No me oía por encima de la multitud, así que solo señalé y esperé que leyera mis labios.