遥遥无期 (yáo yáo wú qī) | Meaning: far in the indefinite future (idiom); so far away it seems forever | Chinese Idiom with Pinyin & Origin

protracted (idiom) · long and drawn-out旷日持久kuàng rì chí jiǔ

after a long time (idiom)天长日久tiān cháng rì jiǔ

(idiom) until the end of time天荒地老tiān huāng dì lǎo

long-time; long-term · lasting; enduring; permanent · for a long time长久cháng jiǔ

long time off · time that will never come猴年马月hóu nián mǎ yuè

far in the indefinite future (idiom); so far away it seems forever