qiān gǔ
for all eternity
throughout all ages
yī shī zú chéng qiān gǔ hèn
a single slip may cause everlasting sorrow (idiom)
qiān gǔ zuì rén
sb condemned by history (idiom)
biāo bǐng qiān gǔ
to shine through the ages (idiom)
qiān gǔ yí hèn
to have eternal regrets (idiom)
liú fāng qiān gǔ
a good reputation to last down the generations