出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第299页（200字）
形容文思敏捷，写文章一气呵成，无须修改，例我们的总编辑写短评时文不加点，一挥而就。
Our editor has a facile pen and when he writes an editorial commentary，he is fast and his writing faultless．