护城河 Save Sign in to save words Traditional (Taiwan): 護城河 hùchénghé ㄏㄨˋ ㄔㄥˊ ㄏㄜˊ moat (surrounding the city wall) (business) competitive advantage fig. Character by character 护(hù)protect 城(chéng)city walls 河(hé)river A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0