其乐不穷 qílèbùqióng boundless joy Origin Definitions Defs Strokes Stroke Words Sentences Sents 其 qí pronoun [third-person possessive] his; her; its; their; refers back to a person or thing mentioned previously乐 樂 lè noun pleasure pleasure; joy; a happy event or thing不穷 不窮 bùqióng endless endless; boundless; inexhaustible