lifetime
n. 一生，终生；寿命，有效期，使用期；很长一段时间
adj. 一生的，终身的
例句
You've given a lifetime of service to athletics.
你一生致力于体育事业。
《柯林斯英汉双解大词典》
Parachuting will give you the rush of a lifetime.
跳伞给你一生难求的刺激感觉。
《牛津词典》
During my lifetime I haven't got around to much travelling.
我一生中没有旅行过多少。
