出处：春秋《诗经·郑风·子衿》

鉴赏：青青的是你身上的领襟，悠悠的是我思念你的心。这两句诗是描写一位女子对情人的怀念盼望。曹操在“短歌行”中借用这两句诗，来表示他对贤才的思慕与渴求。衿：指衣领，古代男学生的衣服一律是青色衣领。悠悠：思念绵绵。

原诗：

青青子衿，悠悠我心。纵我不往，子宁不嗣音？

青青子佩，悠悠我思。纵我不往，子宁不来？

挑兮达兮，在城阙兮。一日不见，如三月兮！

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