Translation

• to close up
• to heal (of wound)
• to keep one's lips sealed

Examples

• 被害人被勒索支付封口费已经很多年， 但现在他意识到这样做是愚蠢的ᦁ
  The victim of blackmail has been paying hush money for years, but now he realizes it is foolish, and he has decided not to pay a red cent more.