他试过，但是在黑暗中，远处的回声听起来是那么可怕，所以他不再去试它了。
He tried it; but in the darkness the distant echoes sounded so hideously that he tried it no more.
我从朋友那借来一双波尔卡斑点胶鞋，但是在隧道的这个地方，水已经没过它们了。
I borrowed my friend's polka dot galoshes, but at this point in the tunnel, the water was well above them.
在另一个极端，我们可能会地转移这个物种，但是在5至10年内，这个物种可能会激增并成为一个入侵物种。
At the other extreme, we might successfully translocate the species, but within five or ten years that species could proliferate and become an invasive species.
渔民们知道一年中允许捕捞的大概时间段，但是在某些日子，一个地区可能有一个或多个实地生物学家中止捕鱼活动。
The fishermen know the approximate time of year when they will be allowed to fish, but on any given day, one or more field biologists in a particular area can put a halt to fishing.
那就解释了为什么最小型的食草动物，汤普森瞪羚，能以水果为食；虽然水果非常有营养，但是在地面上太稀少，不足以维持体型更大的动物生存。
That is why the smallest of the herbivores, Thomson's gazelle, lives on fruit that is very nutritious but too thin on the ground to support a larger animal.
有些人已经到了诊所，但是在几分钟内却昏倒并死去。
Some people made it as far as a doctor's surgery, only to pass out and die within minutes.
她穿衣服严格地追求舒适和经济，但是在佩戴时装首饰方面则让其想像力肆意发挥。
She dressed strictly for comfort and economy, but let her imagination run riot with costume jewellery.
但是在解冻之后，这会影响到它们吗？比如寿命？
但是在我看表格的时候，我被弄糊涂了，因为他们改变了要求。
As I look over the form, I got confused because of the way they've changed the requirements.
但是在回家的路上，开始下雨了，我被淋湿了！第二天，我患着重感冒醒来。
On the way home, though, it started raining and I got very wet! The next day, I woke up with a bad cold.
但是在释放数千名囚犯的时间表和重新部署以色列军队的安排上最后出现了问题。
But last-minute hitches arose over the timetable for releasing thousands of prisoners and arrangements for the redeployment of Israeli troops.
但是在最近的欧洲选举中，令人尴尬的丑闻和受到欢迎的共和党左派迫使他食言并下台。
But embarrassing scandals and the popularity of the republican left in the recent Euro-elections have forced him to eat his words and stand down.
尽管同样的法则也适用于生物体，但是在相同的方式下，这一法则的作用结果并不是无法改变。
Although the same law holds for a living organism, the result of this law is not inexorable in the same way.
纳希打了很多年的鱼，但是在很久以前，他也许在伊斯坦布尔的一个舞厅乐队里吹过高音萨克斯管。
Nashi played fish for many years, but long ago, he might have played treble saxophone in a ballroom band in Istanbul.
我们都听说过孤独而英勇的探险家的故事，但是在地球上许多不同地方引导和保护欧洲探险家的当地人呢？
We have all heard tales of lone, heroic explorers, but what about the local individuals who guided and protected European explorers in many different parts of the globe?
只要这种差距存在，就总是有可能出现新的冲突和嫉妒，或者旧的冲突将重新出现，但是在不同的集团之间。
As long as this gap exists, there will always be a possibility that new conflicts and jealousies will emerge, or rather that the old conflicts will re-appear, but between different groups.
在1914年，美国总共生产了46.9万辆汽车和卡车，但是在1929年，仅生产线的数量就几乎翻了一番。
In 1914 a total of 469,000 cars and trucks were produced in the United States, but in 1929 almost twice the numbers of tucks alone came off the assembly lines.
在大多数欧洲国家，当你和人们说话的时候，他们希望有很多眼神交流，但是在很多亚洲国家，很多的眼神交流看起来很不友好。
In most countries in Europe, people expect a lot of eye contact when you talk to them, but in many Asian countries, a lot of eye contact seems unfriendly.
但是在中期这个模式可能不可维持。
但是在某些情况下这不太方便。
但是在伦敦的价格确实过高了。
但是在俄罗斯，表里差距有些大。
But in Russia, the gap between facade and reality yawns larger.
但是在什么条件下才能实现零延迟呢？
But how does zero lag occur and under what range of conditions?
但是在近十年又渐渐重新引入了考试。
But tests have been slowly reintroduced over the last decade.
但是在专家会议内部这种分歧仍然很大。
But divisions within the ruling clerical establishment remained as deep as ever.
但是在亚洲市场开发者仍旧会面临困难。
But there are still hurdles for developers looking to tap the Asian market.
但是在参加完培训之后，会发生什么呢？
但是在1982年，财政政策转向了紧缩。
但是在“非必要”方面的开销仍然要被削减。
但是在“非必要”方面的开销仍然要被削减。
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