fēng​kǒu

finalize

封口 fēng​kǒu
finalize verb
to lock down or finalize a decision, plan, or agreement

This plan is finalized and no further changes will be accepted.

heal verb
of a wound, to close up and heal over

After a few days, his wound finally closed up.

seal noun
to seal an envelope, bag, or container; also refers to the sealed opening itself

He put transparent tape on the seal of the envelope.

silence verb
to keep one's lips sealed or to prevent someone from speaking out

Being threatened, he had no choice but to stay silent.

Frequency

Movie subtitles
1.31 per million appears in 1% of films
Written text
1.58 per million

Sources

Definitions
CC-CEDICT