天差地别 tiānchādìbié poles apart Origin Definitions Defs Strokes Stroke Words Sentences Sents 天 tiān noun sky sky; heavens; the space above the earth差 chā noun difference difference; discrepancy; the result of a subtraction in mathematics地 dì noun earth The earth; the ground; land; soil; fields别 別 bié adjectivenoun difference A difference; a distinction; a category or classification.