地鐵 dìtiě HSK2 subway Origin Definitions Defs Strokes Stroke Words Sentences Sents 地 dì nounlocative abbreviation of 地下 dìxià underground below the surface of the earth; subterranean; used to describe places or things located beneath the ground铁 鐵 tiě noun abbreviation of 铁路 鐵路 tiělù railroad railway or railroad; a transport line where steel tracks are laid on a roadbed for trains to run on