深入堂奥 shēnrùtáng'ào to gain a deep understanding Origin Definitions Defs Strokes Stroke Words Sentences Sents 深入 shēnrù verb to penetrate deeply To go deep into the interior or core of something; to penetrate into a place or group.堂奥 堂奧 táng'ào profundities The deep, hidden depths of knowledge, thought, or an artistic realm