lifelong

1.A moment’s error can bring a lifelong regret.

一失足成千古恨。

2.He’s been a lifelong sufferer from hay fever.

他身患枯草热。

3.A childhood journey sparked his lifelong interest in railways.

儿童时代一次旅行引发了他对铁路持兴趣。

4.The virus can infect the early fetus, induce immunotolerance and a lifelong persistent viremia.

这种病毒可以感染胎儿，引起免疫耐受和持病毒血症。