I couldn't concentrate, presumably because I was so tired.

我的精神集中不起来，大概是太累了吧。

He decided, very sensibly, not to drive when he was so tired.

他很累，所以决定不开车，这是很明智的。

I am so tired and I need to lie down.

我太累了，需要躺下歇会儿。

So tired I was that I wanted to stop running, but I was carried along by the cheers of my classmates.

我太累了，几乎想停下跑步，但是同学的欢呼声带动着我继续跑。

I was so tired I went straight to bed.

我太累，径直上床睡了。

I was so tired I crashed out on the sofa.

我累极了，在沙发上就睡着了。

She was so tired (that) she couldn't think straight.

她累得昏头昏脑。

She was so tired, her eyelids were beginning to droop.

她太疲倦了，眼睑开始往下垂。

Great! I'm so tired these days.

太好了！这几天我太累了。

He felt so tired that he decided to give up.

他觉得很累，决定放弃。

Betty felt so tired last night that she immediately fell asleep in bed after lying down.

贝蒂昨晚感到很累，她躺在床上很快就睡着了。

Jack's mother was so tired. She fell asleep as soon as she lay down on the bed.

杰克的母亲太累了。她一躺在床上就睡着了。

You feet are so tired.

你的脚太累了。

I need to lie down because I am so tired.

我需要躺下，因为我太累了。

My head aches and I ache all over because I'm so tired.

我头疼，全身都疼，因为我太累了。

We are so tired, if only we could take the day off tomorrow!

我们太累了，要是明天能休息一天就好了！

In the morning, Stan was so tired that he cut his long beard off.

早上，斯坦很累，以至于他不小心剪掉了他的长胡子。

That is a long time, and he has to yawn himself, he gets so tired.

那是一段很漫长的时间，他不得不打呵欠，他太累了。

I am so tired that, finally, I do sleep, but only for a few minutes.

我太累了，最后睡着了，但只睡了几分钟。

In the morning, he was so tired and unhappy that he cut his long beard right off.

第二天早上，他又累又不高兴，就把他的长胡子给剪掉了。

Unluckily, it was so early and the Greens were feeling so tired and they didn't notice anything wrong.

不幸的是，时间还早，格林一家又觉得很累，他们没注意到有什么不对。

The Germans were so tired that they politely turned down the Korean's invitation to go out for dinner and drinks, since they wanted to return to their hotel and get some rest.

德国人太累了，他们礼貌地拒绝了韩国人邀请他们出去吃饭和喝酒，因为他们想回旅馆休息一下。

RITA: You don't seem so tired.

丽塔：你看起来不那么累了。

How come you look so tired?

你怎么看起来这么疲倦？

What happened? You look so tired.

怎么了？你看起来这么疲倦。

"I was so tired," Zheng said.

“我太累了，”郑说。

I am so tired of this palace life.

我厌倦透了宫里的生活。

"So tired," she sighs.

“累死了，”她叹了一口气。

W: I’m just so tired.

M：我只是太累了。

He is ever so tired.

他累得不得了。