Daily Chinese Idiom Guessing Game
The time one is alive; during one's lifetime.
一生之中最后的年月，即余年。
清·李汝珍《镜花缘》第68回俾臣得保蚁命，此后有生之年，莫非主上所赐，惟求格外垂怜。”
I hope to visit Japan within my lifetime.