You should never say no before you try.
在你尝试之前永远不要说不。
When romantic relationships are a big no-no before college, everybody at once rushes into it - but most still keep it from parents.
由于恋爱在大学之前是绝对不允许的，所以进入大学后，大家都冲进了爱河——但大多数都瞒着父母。
Before silos were invented, cows gave less milk during winter because they had no green grass to eat.
筒仓发明之前，因为没有青草可以吃，奶牛在冬天产奶量减少。
No, he drinks a little but never drinks before driving.
不，他喝点酒，但从不在出车前喝。
Although their missions blended commercial and political-military imperatives, the explorers involved all accomplished some significant science simply by going where no scientists had gone before.
虽然他们的任务混合了商业和政治军事的需要，但相关的探险者都完成了一些重要的科学任务，因为他们去了以前没有科学家去过的地方。
He is responsible for these plants to God; no one dares to pluck them up before God gives permission.
他得为这些植物对上帝负责；没有人敢在上帝允许之前将它们摘下。
Some fish do not spawn until maturity. If you catch them before that and you've no baby fish produced for the next year.
有些鱼要到成熟期才产卵。如果你在成熟期之前就开始捕捞，那么你明年就没有鱼籽了。
He is responsible for them to OUR LORD, and no one dares to pluck them up before HE gives leave.
他要为它们对我们的上帝负责，没有人敢在得到上帝允许之前拔掉它们。
It's very easy to spend four years majoring in English literature and come out no more employable than you were before you went in.
花四年时间主修英国文学，到头来却发现自己并不比入学前更具有就业能力，这是很常见的。
Cindy admits that before the recession, she was a city girl with no interest in growing her own dinner.
辛迪承认，在经济衰退之前，她是一个城市女孩，对自己种菜毫无兴趣。
Before I started the job, I had no preconceived notions of what it would be like.
开始做这工作之前，我并未预想过它的实际情况。
We had never experienced this kind of holiday before and had no idea what to expect.
我们以前从未经历过这种假期，不知道有什么可期待的。
If there's no meter in the taxi, agree on a price before you get in.
如果出租车上没有计价器，上车前就应商定好价格。
I was a bit nervous before I arrived here, but there was no reason to be.
我到这里之前有点紧张，但没有理由这样。
With no young trees to replace them, it is only a matter of time before most of the big trees disappear.
由于没有幼树来代替它们，大多数大树消失只是时间问题。
It snowed the day before — giving a strange feeling at a time of year when there is virtually no darkness — but on Sunday the sun blazed across the water.
前一天下了雪——在一年中几乎没有黑暗的时候，会有一种奇怪的感觉——但周日，太阳照耀着湖面。
Two years before, a nationwide study of college graduates had shown that more than a third had made no significant gains in such mental abilities during their school years.
两年前，一项针对全国大学毕业生的研究表明，在校期间，超过三分之一的人在这些心理能力方面并没有取得明显进步。
This was before the industrial revolution and so without all that spinning, there would have been no fabric.
这是在工业革命之前，所以没有诸如此类的纺纱，就不会有织物。
Once, when I was a mere lad and had never ridden a horse before, he made me mount one and gallop by his side, with no qualms about his unskilled companion.
有一次，在我还是个小毛孩，从来没有骑过马的时候，他让我骑上一匹马在他的旁边疾驰，对于他那不熟练的同伴，他一点也不担虑。
They fried the fish with the bacon, and were astonished; for no fish had ever seemed so delicious before.
他们把鱼和咸肉一起炒，吃了一惊；因为以前似乎没有鱼会这么美味。
Schroeder never married and had no children, so before he died, he went to his lawyer with a plan for his money.
施罗德从未结婚，也没有孩子，所以在他死前，他向律师提出了一个处理自己的钱的计划。
Before Tianwen l, no country had ever tried to send an orbiter, a lander and a rover in one single expedition to Mars.
在“天问一号”之前，没有国家尝试过在单次火星探测中发射轨道飞行器、着陆器和探测器。
Chang'e 5 lunar probe landed on a place on the moon that no other country had ever reached before.
嫦娥五号月球探测器在月球上一个其他国家从未到达过的地方着陆。
—Must I wash my clothes at once, mom? —No. You needn't. You may wash them before 5:00 p.m.
——妈妈，我必须立刻洗衣服吗？ ——不。你不必。你可以在下午5点前洗它。
Before I could say "Thanks, but no thanks," they had signed me up and ordered my uniform!
我还没来得及说“谢谢，但不用了”，他们就给我报了名，订了制服！
There were no significant differences in urine 8-isoprostanes among 3 groups before or after intervention(P>0.05).
三组间干预前后尿8-异前列烷浓度差异无统计学意义（P>0.05）。
If she did, she believed, it would be no time before the pair would be wriggling their way into court functions.
如果她有的话，她认为在这对夫妻愿意履行皇室职能之前也没有时间。
I popped it into my mouth, breaking the brand-new rule I'd set for myself of no sugar before noon.
我把它挤到嘴里，打破了我为自己定的中午之前不可以吃甜食的新规定。
I popped it into my mouth, breaking the brand-new rule I'd set for myself of no sugar before noon.
我把它挤到嘴里，打破了我为自己定的中午之前不可以吃甜食的新规定。
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