告老还乡 [- - huán xiānɡ]resign from office and return to one's native town [village]; retire in one's old age; retire on account of old age and return to one's native place; retire from office and return to private life：
•¶ 在国会供职18年后， 他打算告老还乡。 After 18 years in Congress, he intented to return to private life.