He sounded sincere, but then, he always did.
他听起来很诚恳，不过，话说回来，他一贯如此。
We might buy it but then again we might not.
我们可能买，不过也可能不买。
She was early, but then again, she always is.
她到得早，不过话又说回来了，她总是早到。
She did a year at college, but then dropped out.
她在大学读了一年书，但后来就辍学了。
Everything was going well but then we hit trouble.
原本一切都进行得很顺利，但后来我们遇到了麻烦。
He was a fine young man, but then so had his father been.
他是个不错的年轻人，不过他父亲也曾是这样。
I was really embarrassed, but then I saw the funny side of it.
我确实感到尴尬，但接着我发现了事情好笑的一面。
My husband spends hours in the bathroom, but then again so do I.
我丈夫总在浴室泡数小时，不过话说回来，我也一样。
I think it's an excellent article, but then I'm prejudiced—I wrote it.
我认为那篇文章相当出色；不过，我有些偏心—那是我写的嘛！
We went through school and college together, but then our paths diverged.
我们从小学到大学一直在一起，但后来就分道扬镳了。
He thought about giving up his job, but then common sense reasserted itself.
他曾想放弃这份工作，但后来还是理智占了上风。
The police followed the robbers to the airport but then the trail went cold.
警察追踪抢劫犯到了机场，但是后来却失去了他们的踪迹。
But then, how does its heart beat?
那它的心脏是怎么跳动的呢？
He got scared at first, but then he tried to calm down.
起初他很害怕，但后来他努力使自己平静下来。
Some people fall asleep easily, but then wake up time after time.
有些人很容易睡着，但是会醒很多次。
"Oh, but then I would not care about this coming," said the child.
“噢，不过到时候我才不会在乎这个呢！”孩子说。
I was going slowly at first but then I started to slide very fast.
一开始我滑得很慢，但后来我开始快速滑动。
At first she demurred, but then finally agreed.
她开始表示反对，但最终还是同意了。
He might agree. But then again he might have a completely different opinion.
他可能同意，但也可能会意见完全相反。
但就在这时，绳子断了。
I know it, but then there's another thing.
我知道，但还有一件事。
But then when we turned right, he turned left.
但当我们转向右边的时候他却转向左边。
But then you get disease, particularly from human waste.
但是当时人若生病了，很可能是来自于人们的排泄物。
But then people kept text-messaging me, so I felt obliged to learn how to text-message.
但后来人们一直给我发短信，所以我觉得有必要学习如何发短信。
But then — why not be happier?
那么——为什么不更幸福些？
I started to dial but then hung up.
我开始拨号，但后来挂断了电话。
But then there are constraints.
但是还有更多的限制。
但是后来我们遇到了意外。
But then someone found oil in Texas.
不过有人在得克萨斯发现了石油。
But then he died in an accident.
可接着他死于一场事故。
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