告老还乡

1. • to retire from official service due to old age and return to one's hometown

     idiom

Character by character

• 告(gào)say
• 老(lǎo)prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity
• 还(huán)give back
• 乡(xiāng)country or countryside