入口 rùkǒu HSK2 entrance Origin Definitions Defs Strokes Stroke Words Sentences Sents rùkǒu entrance · to import 入 rù verbparticle to enter to enter; to go into; to move from outside to inside口 kǒu noun gateway entrance, exit, or pass, such as a mountain pass, port, or gate in the Great Wallrùkǒu to enter the mouth 入 rù verbparticle to enter to enter; to go into; to move from outside to inside口 kǒu noun mouth mouth of a person or animal; (bound form) oral