开口 kāikǒu HSK7 speak Origin Definitions Defs Strokes Stroke Words Sentences Sents 开口子 kāikǒuzi breach for a dike, dam, or barrier to break or develop an opening开口处 kāikǒuchù opening the part of an object or container where it can be opened or is open开口成脏 kāikǒuchéngzāng foul-mouthed (Internet slang) to use foul language (pun on [[出口成章|出口成章|chu1 kou3 cheng2 zhang1]])