Search the dictionary A Chinese word or character, or English Draw a character Search 4 entries. bādátōng 八达通 Octopus (Hong Kong smart card system for electronic payments) bādátōng 八達通 Octopus (Hong Kong smart card system for electronic payments) bādátōngkǎ 八达通卡 Octopus card (Hong Kong smart card for electronic payments) bādátōngkǎ 八達通卡 Octopus card (Hong Kong smart card for electronic payments)