It's difficult for them to get here much before seven.
他们很难在7点以前早早地来到这里。
It was his ambition to accumulate a million dollars before he turned thirty.
他的雄心是在30岁以前积攒100万美元。
We shall have to explicate its basic assumptions before we can assess its implications.
在我们能评估其含义以前，我们得先解释其基本假设。
I've got a feeling I've seen him before somewhere.
我有一种感觉，我以前在某个地方见过他。
That day, he was up before sunrise.
那天，他在日出以前就起来了。
I like fish. I never ate trout before in Russia.
我喜欢鱼。以前我在俄罗斯从未吃过鳟鱼。
You're taking a journalism class and you've done some reporting before in high school, right?
你在上新闻学的课，且以前在高中做过一些报道，对吗？
There were badgers here, I've been told, long before that same city ever came to be.
我听说，在同样的那座城市出现很久以前，这里就有獾子了。
Long before Man lived on the Earth, there were fishes, reptiles, birds, insects, and some mammals.
在人类出现很早以前，地球上就出现了鱼类、爬虫类、鸟类和一些哺乳动物。
He might appear to have died with a bang, but he had long before died with a whimper.
他好像是死于一声枪响，但很早以前，他就已经在一声呜咽中死去了。
Business along this historic trading road is still going on though it is not as busy as before.
这条历史悠久的贸易大道上的生意虽然不像以前那么繁忙了，但仍然在进行。
We ran across open ground, then scrambled over broken rock that men had ejected from the mountain long before.
我们跑着穿过空地，然后攀登越过人们在很久以前从山上搬下来的碎石块。
Instead, it asks doctors to advise parents before their babies turn two that play is essential to healthy development.
相反，这要求医生建议父母，在孩子两岁以前，玩耍对其健康发展至关重要。
Essential goods from outside the district had become more readily available at the market, and prices did not fluctuate as much as they had done before.
区外的必需品在市场上更容易买到，而且价格也不像以前那样大起大落。
The US has already lost more than a third of the native languages that existed before European colonization, and the remaining 192 are classed by UNESCO as ranging between "unsafe" and "extinct".
美国本土语言在欧洲殖民以前就已经存在了，现在美国已经丢失了超过三分之一的本土语言。剩下的192种语言被联合国教科文组织列为介于“不安全”和“灭绝”之间。
The book he's trying to read goes back to long before even the first word was written, and it is a story of migration.
他尝试阅读的这本书可以追溯到很久以前，甚至在第一个字被写出来之前，这是一个关于移民的故事。
Before I decide, I need time to reflect.
在作出决定以前，我需要时间认真考虑考虑。
Before then many children were cared for in large impersonal orphanages.
在那以前，许多孩子在无人情味的大孤儿院里被照料。
She had been much tried, and she little knew what was to happen before the night was out.
她已经受了很多的考验，而且她不知道在天黑以前会发生什么事。
After winning the speech competition, Bob became more confident than before.
在赢得演讲比赛后，鲍勃变得比以前更自信了。
To be on the safe side, the researchers suggest that we should use computers less than before, or turn down our screens as much as possible before sleeping.
安全起见，研究人员建议，我们应该比以前更少使用电脑，或者在睡觉前尽可能地把屏幕亮度调低。
Before 1719, nobody in North America had ever seen or eaten a potato.
在1719年以前，北美没有人见过或吃过土豆。
With the help of the government, my hometown becomes more beautiful than before.
在政府的帮助下，我的家乡变得比以前更美丽了。
I have already decided to love the room before I actually see it.
在我真正看到这个房间以前，我已经决定爱上它了。
Before we can answer that question, you need to read my GRUB tutorial.
在我们回答这个问题以前，你需要阅读我的食物教程。
Jane has become more outgoing than before. She can express herself in public now.
简比以前更外向了。她现在可以在公共场合表达自己了。
Before the nineteen century, scientists with an interest in the sea were few and far between.
在十九世纪以前，对海洋感兴趣的科学家寥寥无几。
Before the nineteenth century, scientists with an interest in the sea were few and far between.
在十九世纪以前，对海洋感兴趣的科学家寥寥无几。
With the help of Chinese government, the people in poor areas have a better life than before.
在中国政府的帮助下，贫困地区的人民过上了比以前更好的生活。
Before the 1830s, most newspapers were sold through annual subscriptions in America, usually $8 to $10 a year.
在19世纪30年代以前，美国的大多数报纸都是通过年度订阅销售的，通常是一年8到10美元。
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