地下铁路 Traditional 地下鐵路 dì xià tiě lù 🔊 subway + Keep this word Meanings dì xià tiě lù 地下鐵路 subway Its characters 地de-lyHSK 2下xiàunder; below; downHSK 1铁tiěiron (metal)HSK 7–9路lùroad (CL:條|条[tiao2])HSK 2