perpetual

We lived for years in a perpetual state of fear.

多年来我们一直生活在恐惧中。

Plagued by long delays, perpetual mismanagement and ever-soaring costs, the airport has become something of a joke among Germans and a source of frustration for local politicians, business leaders and residents alike.

由于长时间延误、一直以来的管理不善以及不断飙升的成本，机场已经成了德国人的笑柄，也成为当地政客、商界领袖和居民的失望之源。

I thought her perpetual complaints were going to prove too much for me.

我觉得她那永无休止的抱怨会让我吃不消的。

He was elected perpetual president.

他被选为终身会长。

Although perpetual bonds are not redeemable, they pay a steady stream of interest forever.

虽然永续债券不能赎回，但它们永远可以带来稳定的利息流。