to fall into; to get stuck or bogged down in mud or sand; to cave in or become sunken

(bound form) a pitfall or trap; a hole used for catching animals or enemies

(bound form) a defect, flaw, or deficiency

(bound form) to frame someone; to trump up a false charge; to plot against someone

to be captured, occupied, or fall to the enemy (of a city, territory, etc.)

to capture or break through (an enemy position), as in 冲锋陷阵 chōng​fēng​xiàn​zhèn