over seventy years of age
In Chinese, the Pinyin is Ni á NY ú g ǔ x ī, which means that you are over 70 years old. It comes from the poem Qujiang by Du Fu of Tang Dynasty.
The idiom comes from the poem Qujiang written by Du Fu in Tang Dynasty: "wine debt is common, life is rare since ancient times."
over seventy years of age
the enemy approached the walls - bīng lín chéng xià