Word: 天长地久 (tiānchángdìjiǔ) Traditional: 天長地久 天长地久 dictionary entry tiānchángdìjiǔ enduring while the world lasts (idiom); eternal Full dictionary entry for 天长地久 Example sentences using 天长地久 2 sentences, showing page 1 of 1. 世界上没有天长地久的东西。 Shìjiè shàng méiyǒu tiānchángdìjiǔ de dōngxi. Nothing in this world lasts forever. 你相信天长地久的友谊吗？ Nǐ xiāngxìn tiānchángdìjiǔ de yǒuyì ma? Do you believe in everlasting friendship?