坑口 kēngkǒu pithead; tunnel mouth Definitions Defs Origin Strokes Stroke Words Sentences Sents kēngkǒu pithead; tunnel mouth 坑 kēng noun tunnel an underground tunnel, shaft, or hole, such as in a mine or for defense口 kǒu noun gateway entrance, exit, or pass, such as a mountain pass, port, or gate in the Great Wallkēngkǒu Hang Hau 坑 kēng noun pit a hole, pit, or hollow in the ground; a depression in a surface口 kǒu noun gateway entrance, exit, or pass, such as a mountain pass, port, or gate in the Great Wall
