Word: 故意 (gùyì)

他不是故意地做。

Tā bú shì gùyì de zuò.

He didn't do it on purpose.

他不是故意要伤害你。

Tā bú shì gùyì yào shānghài nǐ.

He didn't mean to hurt you.

他故意打破了窗户。

Tā gùyì dǎpòle chuānghu.

He broke the window on purpose.

他故意踩我的脚。

Tā gùyì cǎi wǒ de jiǎo.

He stepped on my foot on purpose.

你是故意这么做的！

Nǐ shì gùyì zhème zuò de!

You did this intentionally!

我不是故意吓唬你的。

Wǒ bú shì gùyì xiàhu nǐ de.

I didn't mean to spook you.

我不是故意的。

Wǒ bú shì gùyì de.

I didn't do it on purpose.

我不是故意那样做。

Wǒ bú shì gùyì nàyàng zuò.

I didn't mean to do that.

那不是我故意的。

Nà bú shì wǒ gùyì de.

That wasn't my intention.