miè​kǒu

to silence a witness

灭口 滅口 miè//kǒu
to silence a witness
to kill someone to prevent them from revealing a secret or an accomplice's crimes
to shut someone up
(literary) to block someone's mouth or prevent them from finding grounds for criticism

Frequency

Movie subtitles
3.16 per million appears in 2% of films
Written text
0.771 per million

Sources