If you are lucky, you can enjoy sunset while floating down the Chobe River.

VOA: special.2009.08.19

Again, when you traveling around Europe, if you're lucky to do that, you'll see these big fortified towns.

如果你有幸能周游欧洲的话,你会见到那些大型的要塞城镇

耶鲁公开课 - 欧洲文明课程节选

and if you are lucky, you might see one walking by and you can interview them.

如果你幸运的话，你可能会看到一个路过的名人，那么你就可以采访他了。

演艺人居住的街区 - SpeakingMax英语口语达人

If you're lucky, as another person; if you're not so lucky, as a pig or a donkey or an ant or what have you.

幸运的话,转世为人,如果不幸运的话,可能会变成猪,驴,蚂蚁等等

耶鲁公开课 - 死亡课程节选

Two hours,you can be on a damn train to New York City and you'll be lucky if you get eighty miles in two hours, or an hour and fifty minutes.

要知道,两个小时都可以做火车去纽约了,但如果是步行,八十公里你一个小时五十分钟,到两个小时内走到就算不错了

耶鲁公开课 - 1871年后的法国课程节选

If you can do all that, I think the chances are that you're going to hit a lucky streak because luck comes and goes.

如果你可以做到这些，我认为你很可能要,运气连碰了,因为运气总是来来去去。

耶鲁公开课 - 金融市场课程节选

And if you are going to get one of these, you are really lucky.

如果你买一台，那就真是幸运了。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选