- 天长地久 tiānchángdìjiǔ everlasting(idiom) enduring and unchanging like the heavens and the earth; often used to describe eternal love or friendship
- 地久天长 dìjiǔtiāncháng everlastingenduring as long as the world lasts; used to describe eternal friendship or love; also written [[天长地久|天長地久|tian1 chang2 di4 jiu3]]
- 天长日久 tiānchángrìjiǔ after a long timeafter a long time has passed; over a long period of time
- 天长市 tiānchángshì TianchangTianchang, a county-level city in Chuzhou City, Anhui Province
- 日久天长 rìjiǔtiāncháng for a long timeas time goes by; over a very long period of time; long-lasting
- 友谊天长地久 yǒuyìtiānchángdìjiǔ Auld Lang SyneThe title of the song "Auld Lang Syne", often sung to mark the start of a new year or as a farewell.
- 对天长叹 duìtiānchángtàn sigh in despairto face the heavens and heave a long sigh; to feel helpless or frustrated because there is no way out of a situation
- 友谊地久天长 yǒuyìdìjiǔtiāncháng Auld Lang Synethe song "Auld Lang Syne", sung to mark the start of a new year or as a farewell; literally "may friendship last as long as heaven and earth"