ㄈㄥfēngㄎㄡˇkǒu

  1. 封閉張開地方寄信記得封口!」

  2. 千萬封口事情傳揚出去。」

to close up, to heal (of wound)​, to keep one's lips sealed
sceller, cacheter, boucher une issue
zukleben (V)​