我头疼，全身都疼，因为我太累了。

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

youdao

我需要躺下，因为我太累了。

I need to lie down because I am so tired.

youdao

我很快就睡着了，因为我太累了。

I soon fell asleep, for I was tired.

youdao

我很快就入睡了，因为我太累了。

I soon went to sleep, for I was tired.

youdao

对不起，起来晚了，因为我太累了。

Sorry, I got up later, because I was too tired.

youdao

我只好停下来休息一下，因为我太累了。

I had to have a rest, for I was too tired.

youdao

我只好停下来休息一下，因为我太累了。

I had to stop for a rest., for I was too tired.

youdao

老实说，因为我太累了所以没有给你回信。

To be honest, I did not reply your letter because I was too tired.

youdao

因为我太累了。

Because I was very tired.

youdao

因为工作时我睡着了。可是你知道吗，我太累了。

Because he saw me sleeping at work. But I was too tired, you know.

youdao

我这么做，或许是因为我当时太累了，母亲的去世让我太伤心。

Perhaps I did it because I was completely exhausted and grieving over Mother;

youdao

我这么做，或许是因为我当时太累了，母亲的去世让我太伤心。

Perhaps I did it because I was completely exhausted and grieving over Mother;

youdao