变化无常的

As people grow older, they begin to ruminate on the uncertainty of life.

随着年龄的增长，人们开始对生活的冥思苦想。

I wish he’d make up his mind—I’m tired of all this chopping and changing.

我希望他能打定主意，我厌倦了他的。

(4)SenilePeriod the symptom of mental disease is extremely flabby calm, be fantasticality sometimes.

(4)老年期神疾病的症状极不稳定，有时是的。

The television world was a notoriously fickle one.

电视圈是出了名的。