可是

1.It is strange, and yet it is true.

奇怪, 真。

2.However, Bassy did not even touch the hook.

，巴斯并没有碰到鱼钩。

3.They tried artificial respiration but it was of no avail.

他试做人工呼吸,无效。

4.The play was a tragedy, but the acting was laughable.

戏悲剧,演得却令人发笑。

5.They pretend to be so right-on, but are they really?

他假装关心时事，真？

6.She’s only fourteen, but she swears like a trooper.

只有十四岁，满嘴脏话。

7.He is intelligent, to be sure, but he’s also very lazy.

他固然聪明， 也很懒惰。

8.He strained every sinew to help us, but didn’t succeed.

他尽全力帮助我,没有成功。

9.We drove past a signpost I couldn’t read.

我驶过一块路标, 我读不懂。

10.I had a stab at fishing once but I found it boring.

我曾尝试过钓鱼，发现很枯燥。

11.We’ve bent over backwards to help the child, but she refuses to cooperate.

我尽力要帮助这个女孩，拒绝合作。

12.Their hands blistered, but no one complained.

他手起了泡, 没有一个人有怨言。

13.The man lashed the donkey but it would not go any faster.

这人用鞭子抽驴，它再也跑不快了。

14.They made a belated attempt to save her life.

他力图挽救生命,已经太迟了。

15.The morning began fine, but now clouds are banking up.

早晨开始晴天, 现在乌云密布。

16.Here's the glove for my left hand but where's the companion?

这里我左手手套右手在哪里呢?

17.Who do you admire most? That's a toughie.

你最钦佩人谁？这个难题。

18.It was only a small gift but Phil was as pleased as anything with it.

只一件小礼物，菲尔高兴得跟什么似。

19.Her lectures are very useful, but they’re dry as dust.

讲课很有用，却乏味得要死。

20.I have keyed this sentence three times, and it's still wrong!

我把这个句子输入了三次, 仍然不对。