开口子 Traditional 開口子 kāi kǒu zi 🔊 a dike breaks + Review this word Meanings kāi kǒu zi 開口子 a dike breaksfig. to provide facilities (for evil deeds)to open the floodgates Its characters 开kāito open; to turn on; to driveHSK 1口kǒu(measure word for people in a family)HSK 1子zǐsonHSK 3