It may turn out to be a once in a lifetime event.
此次流星雨很可能会是个一生仅一次的事件。
Want to do in the cold winter the snowman melted into tears after a once in a lifetime.
只想做寒冷冬天里的雪人任人摆布之后融化成眼泪的形状。
OVERVIEW: Pisces is having a once in a lifetime opportunity for great changes this year.
工作运势： 乐观的本性、良好的工作道德让你今年的工作很出色，并把自己潜在的优点都发挥出来。
I've been given a once in a lifetime opportunity and I'm determined to make the most of it.
我已经得到了一个千载难逢的机会，我一定要抓住。
For many it could be a once in a lifetime chance to see a supernova blossom and then fade before their eyes.
观看一颗超新星在自己眼前爆炸然后逐渐消失，这对于很多人来说，都恐怕是一辈子只能有一次的经历。
Then in June of 2010 NASA reinforces their original 2006 warning telling the public to get ready for a once in a lifetime solar storm.
美国宇航局2010年6月，然后巩固了其原有的2006年警告，告诉市民在一生的太阳风暴准备。
Then in 2010, NASA again warns the general population of a pending solar storm, telling the population to get ready for a once in a lifetime solar storm.
然后在2010年，美国宇航局再次警告挂起的太阳风暴的总人口，告诉的人口在一生的太阳风暴准备。
Andrew McKenzie, director of Old Masters at Bonhams, called the discovery "a once in a lifetime experience and it is tremendously exciting to be able to bring it to the world's attention".
宝龙拍卖行“欧洲古代大师”部门主管安德鲁·麦肯锡（AndrewMcKenzie）称这一发现为“一生仅有一次的经历，能将它带到全世界的关注之下极其令人兴奋”。
An episode of major depression may occur only once in a person's lifetime, but more often, it recurs throughout a person's life.
重度抑郁发作可能在一个人的一生中仅出现一次，但更经常的是，它在一个人的一生中反复出现。
A baby who was born with a foot in his brain has been declared fit and healthy three months after shocking doctors with the "once in a lifetime finding in the operating room".
三个月前，一名大脑中“藏”着一只脚的婴儿让医生们倍感震惊，因为“这样的发现是他们在手术室里一辈子才碰得上一次的”。
On the positive side, we have all the extremes in pessimism that typically accompany a bear-market bottom — a once-in-a-lifetime buying opportunity.
从乐观的角度来看，市场上已经出现了所有伴随熊市底部出现的极端悲观情绪，因此现在是一个千载难逢的买入机会。
For curious crowds who gathered, they perhaps realised that a once-in-a-lifetime look is more than enough - thanks to its pungent odour of rotting flesh.
好奇的围观者可能意识到这种景观终生难见一次，因为这种花散发出的腐肉般的刺鼻气味实在独特。
"Since this is the one time in our lives that we were going to do this [get married], we thought we should make it a once-in-a-lifetime event," Fulmore said.
福尔摩说：“既然是我们有生以来唯一的一次结婚，我们就想干脆把他搞成一次一生只有一次的活动算了。”
Only once in a lifetime that a special dream comes true.
一生中只有一次美梦实现的奇迹。
A duty which should be carried out at least once in a lifetime, an event that is to be passed down to descendants with a vivid fresco.
那是教徒一生中至少要履行一次的责任，鲜活的壁画的也将代代相传。
A fun photo of you in front of a monument can be framed once you get back home and will last a lifetime.
回家之后，把你在景点前美滋滋的照片装进相框里，这能保存一辈子。
This is definitely a once-in-a-lifetime opportunity.
这绝对是个一生一次的机会。
Article: Is Weird July 2011 Calendar a Once-in-a-Lifetime Phenomenon?
2011年7月日历是一个千载难逢的怪现象吗？
At the start of 2011, we're still just emerging from a once-in-a-lifetime recession that's taken a terrible toll on millions of families.
2011年新年伊始，我们刚刚摆脱百年不遇的大衰退，这场衰退给数百万家庭带来了严重的损失。
A great company will have many once-in-a-lifetime opportunities.
卓越的公司会遇到很多千载难逢的机会。
"It's a stunning, once-in-a-lifetime find," said paleontologist Paul Sereno of the University of Chicago, who was not involved in the study.
未参与研究的芝加哥大学古生物学家PaulSereno表示：“这是个惊人的绝世发现。”
Missing a once-in-a-lifetime chance leads to regret, or creativity.
错过使我们人生中曾经出现过的一个机会，它会导致遗憾或者创造力。
Stolen half a day once in a lifetime, on Sunday afternoon nap, wake up your mood will be as bright as the afternoon sun.
人生难得偷得半日闲，在周日的午后小憩一会儿，醒来后你的心情会像午后的阳光一样灿烂。
No matter how old a girl is, she should certainly see one of these teen movies at least once in a lifetime.
不管多大年纪的女孩，一生中都一定要看至少一部下面的青少年电影。㦀。
But getting hired is no longer a once-in - a -lifetime experience.
但如今已不再是一生被聘去做一个工作了。
College eis a great time to explore things that, while perhaps not specifically related to your career choice, are still interesting and once-in-a-lifetime opportunities.
大学时期是用来探索的好时光，那些探索也许与你的职业选择无关，但却是有趣且千载难逢的机遇。
Jim: Oh, come on . Jane is a very nice girl, someone you meet only once in a lifetime.
得了吧，简是一个好女孩，那种人生中可遇不可求的女孩子。
Jim: Oh, come on . Jane is a very nice girl, someone you meet only once in a lifetime.
得了吧，简是一个好女孩，那种人生中可遇不可求的女孩子。
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