他父亲威胁要剥夺他的继承权，但是两人都知道这是虚张声势。
His father had threatened disinheritance, but both men had known it was an empty threat.
我不是要多管闲事，但是他什么时候要离开呢？
但是要怎样重复利用垃圾呢？
您当然可以扩展这个集合，但是要小心。
他们转过身要捉拿他；但是他拔出了剑。
They turned upon him and tried to seize him; but he drew his sword.
靠近树或岩石的小地方会是最温暖的，但是在你决定哪里睡觉之前要小心。
A small place near a tree or a rock will be the warmest, but be careful before you decide where to sleep.
我不知道水痘疫苗伏痘敏的商业价格，但是你可以想象一下，那种疫苗每支的价格要超过五十美元。
I didn't have the commercial price for the chickenpox vaccine called Varivax but you can imagine that it's even more than $50 a dose for that one.
我们提出了一开始看起来很有吸引力的理论，但是接下来，你要如何解释以前也发生过这种情况呢？
We have what at first seems like a pretty attractive theory, but then, how do you explain the fact that this has happened before?
但是你要慢慢地做它。
从这里开始，但是记住要遵守作业的标准。
Start from there, but remember to stick to the parameters of the assignment.
我要证明一些事，但是他们都很忙。
但是我听说她的公寓要禁止养宠物了。
But I hear her apartment building is about to place a ban on pet animals.
但是为什么要学习不同的文体，才能理解乔伊斯的小说呢？
But why do I have to study different styles to understand Joyce's novels?
但是，要记住的是，当你观察这些条件下的反应热时，一切都很好。
However, the thing to remember is that it's all well and good when you look at heats of reaction under those conditions.
换一个灯泡当然很容易，但是要更换灯泡和其固定装置就比较难了。
It is easy to change a light bulb, sure, but it is harder to change the bulb and its fixture.
现在旅行变得越来越容易了，但是要远离人群却越来越难，这也许是度假者最困难的事情。
It is getting much easier to travel nowadays, but increasingly harder to get away from people, and that is perhaps the most difficult thing for holiday makers.
也许这曾经是对的，但是今天美国老年群体的贫困率比其他人群要低。
Perhaps that once was true, but today elderly Americans as a group have a lower poverty rate than the rest of the population.
“孩子，我不知道这是怎么回事，”她回答说，“但是刚才走过的那位穿绿色外套的年轻女士要我把这朵玫瑰戴在外套上。”
"I don't know what this is about, son," she answered, "But the young lady in the green coat who just went by asked me to wear this rose on my coat."
但是查尔斯私底下计划要揭露政府的肮脏秘密，这个计划一旦实施，凯西的事业就毁了，甚至可能搭上她的性命。
But when Charles' hidden agenda threatens to expose the government's dirty little secrets, what started out may cost Kathy her career and even her life.
现在我想我要白色的窗框，黄色的墙壁，但是我明天再告诉你。
Right now I think I want white for the window frames and yellow for the walls, but I'll let you know tomorrow.
当你开始做的时候，匆忙中事情肯定会变得很复杂，但是我想知道要解决这些问题中的一些，是否有什么事情是不能做的。
Things certainly get complicated in a hurry when you get into them, but I wonder if something couldn't be done to deal with some of these problems.
许多人喜欢去不同的国家旅行，但是如果你打算出国，你应该知道在世界各地面对不同的情况时要怎么做。
Many people love travelling to different countries, but if you plan to go abroad, you should know how to behave in different situations around the world.
您仍然需要提交表单，但是要提交到哪里？
我很想去，但是我要上班。
但是要记住，每年的这个时候天气变化无常，如果乌云突然降落，就很容易偏离轨道。
Do bear in mind, though, that at this time of year the weather is very changeable and if the cloud suddenly descends, it's all too easy to wander off the track.
“我可以放了她，但是你要答应我明天再给我点你的奶酪。”他说，因为他已经决定为自己所受的惊吓做些弥补。
"I will let her off if you will give me more of your cheese tomorrow," he said, for he was determined to have something to make up to him for his fright.
但是，要真正利用他们的动机就要依靠他们的兴趣。
But to really harness their motivation is to build upon their interest.
我星期一要交一篇很重要的论文，但是我答应了劳拉我们这个周末会打扫公寓。
I have a big paper due Monday, but I promised Laura we'd clean the apartment this weekend.
我要定义什么是爱，但是我要讲的大部分实验真的都更关注吸引力而不是爱。
I'm going to define what love is but then most of the experiments I'm going to talk about are really focused more on attraction than love.
我要定义什么是爱，但是我要讲的大部分实验真的都更关注吸引力而不是爱。
I'm going to define what love is but then most of the experiments I'm going to talk about are really focused more on attraction than love.
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