他不是故意的，你别生气。

Tā bú shì gùyì de, nǐ bié shēngqì.

He didn't do it on purpose, don't be angry.

你是故意伤害他的，对吗？

Nǐ shì gùyì shānghài tā de, duì ma?

You deliberately hurt him, right?

对不起，我不是故意的。

Duìbuqǐ, wǒ bú shì gùyì de.

I'm sorry, I didn't do it on purpose.