我现在很累，不想做作业。

Wǒ xiànzài hěn lèi, bù xiǎng zuò zuòyè.

I'm tired right nwo, I don't want to do homework.

我很累。

Wǒ hěn lèi.

I'm very tired.

他累到直接在沙发上睡着了。

Tā lèi dào zhíjiē zài shāfā shàng shuìzháo le.

He was so tired he slept on the sofa straight away.