虹口區 Save Sign in to save words Simplified: 虹口区 hóngkǒuqū ㄏㄨㄥˊ ㄎㄡˇ ㄑㄩ Hongkou district, central Shanghai Character by character 虹(hóng)rainbow 口(kǒu)mouth 區(qū)area A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0