寿终正寝
shòu zhōng zhèng qǐn
to die of old age
to die in one's bed at a ripe old age; (fig.) (of a structure or machine etc) to come to the end of its life
shòu zhōng zhèng qǐn
to die of old age
to die in one's bed at a ripe old age; (fig.) (of a structure or machine etc) to come to the end of its life