Read Edit View history 班门弄斧 Bānménnòngfǔ teaching an expert Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 班门弄斧/班門弄斧 · Bānménnòngfǔ · teaching an expert 2026/03/04 班门弄斧 / 班門弄斧 Bānménnòngfǔ teaching an expert to display one's slight skill before an expert 他在那位专家面前谈论物理学，简直是班门弄斧。 idiom created sense Mar 4, 2026, 02:25 AM