古诗十九首是一组中国五言古诗的统称。这些诗共有十九首，一般认为是汉朝的一些无名诗人所作。最早由梁代昭明太子萧统编入《昭明文选》，并命名“古诗十九首”。历代都对古诗十九首有很高的评价，对后世的诗歌创作有巨大影响。
Nineteen Old Poems is an anthology of Chinese poems, consisting of nineteen poems which were probably originally collected during the Han Dynasty. These nineteen poems were very influential on later poetry, in part because of their use of the five-character line (or, wuyen shi). The dating of the original poems is uncertain, though in their present form they can be traced back to about 520 CE, when these poems were included in the famous literary analogy Wen Xuan, a compilation of literature attributed to the Liang Crown Prince Xiao Tong. The Nineteen Old Poems have been supposed to date mainly from the second century CE. The gushi, or old style, poetry developed as an important poetic form of Classical Chinese poetry, in subsequent eras. The authorship of the "Nineteen Old Poems" is anonymous, however there are indications as to the authorship in terms of class and educational status, such as the focus on "the carriages and fine clothing, the mansions and entertainments of the upper classes", together with the literary references to the Shijing. One of the tendencies of these poems is towards a "tone of brooding melancholy."
https://en.wikipedia.org/wiki/Nineteen_Old_Poems