lip-synch
US /ˈlɪp.sɪŋk/
UK /ˈlɪp.sɪŋk/

1.
dublar, fazer playback
to move your lips in synchronization with pre-recorded speech or song, typically as a performance or for a video
:
•
The pop star was accused of lip-synching during the live concert.
A estrela pop foi acusada de dublar durante o show ao vivo.
•
Many music videos feature artists who lip-synch to their own songs.
Muitos videoclipes apresentam artistas que dublam suas próprias músicas.
1.
dublagem, playback
the act of moving one's lips in synchronization with pre-recorded speech or song
:
•
The audience suspected lip-synch when the singer's voice sounded too perfect.
A plateia suspeitou de playback quando a voz do cantor soou perfeita demais.
•
The comedian performed a hilarious lip-synch routine.
O comediante apresentou uma rotina hilária de playback.