请给我一个叉子。

Qǐng gěi wǒ yīgè chāzi.

Please give me a fork.

他用叉子吃面条。

Tā yòng chāzi chī miàntiáo.

He eats noodles with a fork.

她用叉子切水果。

Tā yòng chāzi qiē shuǐguǒ.

She uses a fork to cut fruit.