人世: this world; the world 短语和例子不在人世 be no longer living; be no longer in the land of the living
人世沧桑: human events are as uncertain as the weather.; instability of human affairs; mutability of human affairs; the vicissitudes of human affairs; tremendous changes in the world
不久人世: not to be long for this world; one's days are numbered.; one's time is short
