洞穿 Traditional form: 洞穿 Pinyin (reading): dòngchuān Definitions: to penetrate to pierce to see clearly to have an insight into Characters: 洞 - cave, grotto, hole, ravine 穿 - to drill, to pierce; to dress, to wear Traditional characters: 洞 - cave, grotto, hole, ravine 穿 - to drill, to pierce; to dress, to wear