Read Edit View history 盘根究底 pángēnjiūdǐ investigate Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 盘根究底/盤根究底 · pángēnjiūdǐ · investigate 2026/03/04 盘根究底 / 盤根究底 pángēnjiūdǐ investigate To get to the bottom of something; to investigate thoroughly. 他总是喜欢对这类事情盘根究底，非要问个水落石出。 idiom created sense Mar 4, 2026, 02:25 AM