孤单 gūdān HSK7 lonely Origin Definitions Defs Strokes Stroke Words Sentences Sents gūdān lonely 孤 gū adjective solitary (bound form) lonely; solitary; isolated; alone单 單 dān adjective single single; individual; alone; separategūdān weak 孤 gū adjective solitary (bound form) lonely; solitary; isolated; alone单 單 dān weak weak; thin; frail