but

但是、可是、然而

The apartment is small but surprisingly bright and comfortable.

这间公寓很小，但意外地明亮又舒适。

而是用于 not…but 句型

The real issue is not the price but the quality.

真正的问题不是价格，而是品质。

不过、只是用于委婉拒绝或反驳

I'd love to come, but I have to work late.

我很想去，不过我得加班。

而且、并且用于 not only…but also 句型

She not only writes the music but also sings it.

她不只作曲，而且还亲自演唱。

除了、除…之外

Everyone but the driver got off at the last stop.

除了司机以外，所有人都在上一站下车了。

只、仅仅正式或旧式

He was but a teenager when he started working here.

他开始在这里工作时只是个青少年。

但是、异议、借口口语，常用复数

No buts—finish your homework before dinner.

不要再说「可是」了，晚餐前把作业写完。

要不是、若非but for

But for your help, we would never have finished in time.

要不是有你帮忙，我们绝不可能及时完成。

绝不是、一点也不anything but

The trip was anything but relaxing for the whole family.

这趟旅行对全家人来说一点也不轻松。