可是

It is strange, and yet it is true.

是奇怪, 是真。

However, Bassy did not even touch the hook.

是，巴斯并没有碰到鱼钩。

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

戏是悲剧,是演得却令人发笑。

They tried artificial respiration but it was of no avail.

他们试做人工呼吸,是无效。

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

她只有十，是满嘴脏话。

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

他固然聪明， 是也很懒惰。

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

他尽全力帮助我们,是没有成功。

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

他们假装关心时事，是是真吗？

We drove past a signpost I couldn’t read.

我们驶过一块路标, 是我读不懂。

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

我曾尝试过钓鱼，是发现很枯燥。

Their hands blistered, but no one complained.

他们手起了泡, 是没有一个人有。

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

早晨开始是晴天, 是现在乌云密布。

They made a belated attempt to save her life.

他们力图挽救她生命,是已经太迟了。

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

这人用鞭子抽驴，是它再也跑不快了。

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

我们尽力要帮助这个女孩，是她拒绝合作。

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

你最钦佩人是谁？这是个难题。

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

这里是我左手手套是右手在哪里呢?

It’s easy enough for you to gibe at them, but could you do any better?

笑话人家很容易,是你能做得更好吗?

The poor hunger, yet are not fed.

穷人在挨饿, 是没有人给他们饭吃。

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

我把这个句子输入了三次, 是仍然不对。