| gǔ | ancient/old/paleo-/surname Gu |
| 古 | surname Gu |
| 古丈 | Guzhang county in Xiangxi Tujia and Miao autonomous prefecture 湘西土家族苗族自治州 |
| 古丈县 | Guzhang county in Xiangxi Tujia and Miao autonomous prefecture 湘西土家族苗族自治州 |
| 古为今用 | make the past serve the present |
| 古义 | ancient meaning original or etymological meaning of a word |
| 古乐器 | an ancient instrument |
| 古书 | ancient book old book |
| 古井不波 | A dried-up well does not have ripples 2.impervious to desires and passions |
| 古井无波 | to have no more sexual desire |
| 古交 | Gujiao county level city in Tàiyuán 太原 |
| 古交市 | Gujiao county level city in Tàiyuán 太原 |
| 古人 | people from ancient times the ancients the late (i.e. person who has passed away) |
| 古人类 | ancient hominid species such as Homo erectus, Neanderthal man etc |
| 古人类学 | palaeoanthropology; paleoanthropology; human paleoanthropology; human palaeontology |
| 古今 | then and now ancient and modern |
| 古今中外 | at all times and in all places (idiom) |
| 古今小说 | Tales old and new by Feng Menglong 馮夢龍|冯梦龙, collection of late Ming baihua 白話|白话 tales |
| 古代 | ancient times olden times |
| 古代人 | the ancients |
| 古代史 | ancient history |