他在切水果。

Tā zài qiē shuǐguǒ.

He is cutting the fruit.

他用刀切苹果。

Tā yòng dāo qiē píngguǒ.

He uses a knife to cut the apple.

她切了一块蛋糕。

Tā qiē le yī kuài dàngāo.

She cut a piece of cake.