till the seas dry up and the rocks decay
As a Chinese idiom, the Pinyin is h ǎ IK ū sh í L à n, which means that the sea is dry and the stones are rotten. It has a long history. A firm will never change. It comes from faqu Xianxian Yin and Zhu jingweng's Qingxi CI.
The origin of Idioms
In Song Dynasty, Wang Yi's "faqu Xianxian Yin · and Zhu jingweng's Qingxi Ci": "old me to come again, dry sea and rotten stone, the broken stone foundation."
Idiom usage
If you want to say I'm down, unless ~. The 47th chapter of romance of the Three Kingdoms by Luo Guanzhong in Ming Dynasty
till the seas dry up and the rocks decay
parade with beautiful dress in broad daylight - yì jǐn zhòu yóu