| 古宅 | gǔ zhái | former residence |
| 古巴共产党 | Gǔ bā Gòng chǎn dǎng | Communist Party of Cuba |
| 古巴比伦 | gǔ bā bǐ lún | ancient Babylon |
| 古希腊 | gǔ Xī là | ancient Greece |
| 古希腊语 | gǔ xī là yǔ | ancient Greek (language) |
| 古币 | gǔ bì | old coin |
| 古惑仔 | gǔ huò zǎi | gangster; hooligan; problem youth; at-risk youth |
| 古文化 | gǔ wén huà | ancient civilization |
| 古文字学 | gǔ wén zì xué | paleography |
| 古文明 | gǔ wén míng | ancient civilization |
| 古文运动 | gǔ wén yùn dòng | cultural movement aspiring to study and emulate classic works, at different periods of history, esp. Tang and Song |
| 古斯塔夫・多雷 | gǔ sī tǎ fū · duō léi | Gustave Dore (1832-1883), French artist and sculptor |
| 古新世 | Gǔ xīn shì | Palaeocene (geological epoch from 65m-55m years ago) |
| 古新统 | gǔ xīn tǒng | Palaeocene system (geology) |
| 古时 | gǔ shí | antiquity |
| 古晋 | Gǔ jìn | Kuching (city in Malaysia) |
| 古板 | gǔ bǎn | out-moded; old-fashioned; inflexible |
| 古柯 | gǔ kē | (botany) coca (source of cocaine) |
| 古柯树 | gǔ kē shù | coca plant (source of cocaine) |
| 古柯碱 | gǔ kē jiǎn | cocaine; also written 可卡因 |
| 古根海姆 | Gǔ gēn hǎi mǔ | Guggenheim (name) |
| 古根罕 | Gǔ gēn hǎn | Guggenheim (name) |
古根罕喷喷气推进
研究中心 | Gǔ gēn hǎn pēn pèn qì tuī jìn yán jiū zhōng xīn | Guggenheim Aeronautical Laboratory at the California Institute of Technology (GALCIT, from 1926); Guggenheim jet propulsion center (from 1943) |
| 古朴 | gǔ pǔ | simple and unadorned (of art, architecture etc) |
| 古气候学 | gǔ qì hòu xué | paleoclimatology |
| 古波 | Gǔ bō | Gubo (a personal name) |
| 古浪 | Gǔ làng | Gulang county in Wuwei 武威, Gansu |
| 古浪县 | Gǔ làng xiàn | Gulang county in Wuwei 武威, Gansu |
| 古烽燧 | gǔ fēng suì | ancient fire beacon towers (archaeological sites in Xinjiang) |
| 古尔班通古特沙漠 | Gǔ ěr bān tōng gǔ tè shā mò | Gurbantunggut Desert in |
| 古尔邦节 | gǔ ěr bāng jié | Eid al-Azha festival of sacrifice on tenth of twelfth month of Muslim lunar calendar |
| 古玩 | gǔ wán | antique; curio |
| 古玩店 | gǔ wán diàn | antique store |
| 古琴 | gǔ qín | guqin, a long zither with 5 or 7 strings, plucked with a plectrum; the ancestor of the long zither family, dating back to pre-classical times (playing it was an essential accomplishment of a Confucian gentleman) |
| 古生代 | Gǔ shēng dài | Paleozoic, geological era 545-250m years ago, covering Cambrian 寒武纪, Ordovician 奥陶纪, Silurian 志留纪, Devonian 泥盆纪, Carboniferous 石炭纪, Permian 二叠纪 |
| 古生物学 | gǔ shēng wù xué | palaeontology |
| 古生物学家 | gǔ shēng wù xué jiā | palaeontologist; paleobiologist |
| 古田 | Gǔ tián | Gutian county in Ningde 宁德, Fujian |
| 古田县 | Gǔ tián xiàn | Gutian county in Ningde 宁德, Fujian |
| 古登堡 | Gǔ dēng bǎo | Gutenberg (name); Johannes Gutenberg (c. 1400-1468), inventor in Europe of the printing press; Beno Gutenberg (1889-1960), German-born US seismologist, coinventor of the Richter magnitude scale |
| 古盗鸟 | gǔ dào niǎo | Archaeoraptor (bird-like dinosaur) |
| 古砚 | gǔ yàn | antique ink slab; CL:台 |
| 古稀 | gǔ xī | seventy years old |
| 古筝 | gǔ zhēng | zither or guzheng; large zither with 13 to 25 strings, developed from guqin 古琴 during Tang and Song times |
| 古县 | Gǔ xiàn | Gu county in Linfen 临汾, Shanxi |
| 古罗马 | gǔ Luó mǎ | ancient Rome |
| 古义 | gǔ yì | ancient meaning; original or etymological meaning of a word |
| 古色古香 | gǔ sè gǔ xiāng | interesting and appealing (of old locations, objects etc) |
| 古董滩 | Gǔ dǒng tān | Gudong desert or Antiques desert at Han dynasty Yangguan pass 阳关, named after many Han dynasty archaeological discoveries |
| 古蔺 | Gǔ lìn | Gulin county in Luzhou 泸州, Sichuan |
