問難 wènnàn to raise difficult questions Origin Definitions Defs Strokes Stroke Words Sentences Sents 质疑问难 zhìyíwènnàn to raise questions to raise doubts and difficult problems for discussion, debate, or clarification执经问难 zhíjīngwènnàn to seek instruction to hold a book and ask about difficult points; refers to learning from a teacher or seeking guidance on-site guidance from a scholar