A long time
Chinese idiom, Pinyin is Ku à NgR à y à NYU è, which means a long time. It comes from Zhu Xi's book with Huang Shumi in Song Dynasty.
Source: Song Zhuxi's "secret book with Huang Shumi": "it's a long time to introduce the moon, but I don't know the period of advance."
A long time
considerate right down to the most trivial detail - wú wēi bù zhì
Remove the faint and enlighten the sage - chù hūn qǐ shèng
Go into the mountains and cross the sea - tóu shān cuàn hǎi