Read Edit View history 老大难 lǎodànán long-standing and difficult Origin Definitions Defs Strokes Stroke Words Sentences Sents 老大难 老大難 lǎodànán long-standing and difficult (of a problem or task) serious, complex, and difficult to resolve for a long period of time chronic problem persistent, difficult-to-solve problem, or a unit or organization plagued by such problems Frequency Written text 1.26 per million Sources Frequency data BCC Corpus (BLCU)
老大难 老大難 lǎodànán long-standing and difficult (of a problem or task) serious, complex, and difficult to resolve for a long period of time chronic problem persistent, difficult-to-solve problem, or a unit or organization plagued by such problems Frequency Written text 1.26 per million Sources Frequency data BCC Corpus (BLCU)