but
[ADV, CONJ, PREP]
1. 仅仅
But is used to mean 'only'.
双语例句
例：Zach insists that he is but one among many who are fighting for equality.
扎克坚持认为他仅仅是许许多多为平等而战的人们中的一员。
ADV. 副词
1. 但是
You use but to introduce something that contrasts with what you have just said, or to introduce something that adds to what you have just said.
双语例句
例：'You said you'd stay till tomorrow.'—'I know, Bel, but I think I would rather go back.'
“你说过要待到明天。” “我知道，贝尔，但我想我还是要回去。”
例：Place the saucepan over moderate heat until the cider is very hot but not boiling.
将炖锅置于中火上加热，直到把苹果酒煮得很烫，但不要煮沸。
2. 但是 , 不过
You use but when you are about to add something further in a discussion or to change the subject.
双语例句
例：After three weeks, they gradually reduced their sleep to about eight hours. But another interesting thing happened.
3周后，他们把睡眠时间逐渐缩短到8小时。但是另一件有趣的事发生了。
3. （表示歉意）不过
You use but after you have made an excuse or apologized for what you are just about to say.
双语例句
例：Please excuse me, but there is something I must say.
请原谅，不过有件事我必须说一下。
例：I'm sorry, but it's nothing to do with you.
对不起，不过这和你无关。
4. 可是
You use but to introduce a reply to someone when you want to indicate surprise, disbelief, refusal, or protest.
双语例句
例：'I don't think I should stay in this house.'—'But why?'
“我想我不应该再呆在这栋房子里了” “可这是为什么？”
CONJ. 连词
but then , but then again
1. 不过话说回来
You use but then or but then again before a remark which slightly contradicts what you have just said.
双语例句
例：My husband spends hours in the bathroom, but then again so do I.
我丈夫总占用浴室好几个小时，不过话说回来，我也一样。
but then
1. 不过
You use but then before a remark which suggests that what you have just said should not be regarded as surprising.
双语例句
例：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。
but for
1. 要不是
You use but for to introduce the only factor that causes a particular thing not to happen or not to be completely true.
双语例句
例：the small square below, empty but for a dirty white van and a clump of palm trees.
下面那个小小的广场，除了一辆肮脏的白色货车和一丛棕榈树外空无一物。
PHRASE. 习语
1. 除了
But is used to mean 'except'.
双语例句
例：Europe will be represented in all but two of the seven races.
除了两场比赛之外，欧洲在其余的五场比赛中都将有代表参加。
例：He didn't speak anything but Greek.
他指挥说希腊语。
PREP. 介词
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