once-in-a-lifetime【once-in-a-lifetime】英 ['w?ns'?n'e?l'a?fta?m] 美 ['w?ns'?n'e?l'a?fta?m] adj.千载难逢的一生只此一次的
基本介绍外文名：once-in-a-lifetime
.It'saonceinalifetimechance.这是一生难得的机会.

Ratherthan thereformsmembershiprequires,theyenjoyedaonce-in-a-lifetimeparty.他们没有推行欧元成员国身份所要求的改革,而是享受着一生仅有一次的派对.来自网际网路
Butgettinghiredisnolongeraonce-in-a-lifetimeexperience.但如今已不再是一生被聘去做一个工作了.
Sinceit'saonce-in-a-lifetimething, I wanteverythingtogoright.一生一次的事情,总是弄得正正经经的.
Enjoyaonce-in-a-lifetimemountaingorillasafariinUgandaandRwanda.在乌干达和卢安达享受一生一次的野生大猩猩的考察活动.
LouisandSaraharepreparingforaonce-in-a-lifetimetriptoItaly.路易斯和莎拉正在为一生一次的义大利旅行做準备.
Ifyouboughtacar,itwasaonce-in-a-lifetimeinvestment.如果你买了辆车,这就是你一生只此一次的投资.
Thiswasaonce-in-a-lifetimeopportunity.这是千载难逢的一次机会.