败笔[bài bǐ ]
词典a faulty stroke in calligraphy or painting：败笔。
词典a faulty part in a piece of painting：败笔。
词典911查询·英语单词
词典a faulty expression in writing
败笔[bài bǐ]
败笔
（用于书画） a faulty stroke in calligraphy or painting; a faulty part in a piece of painting