不要嘲笑别人的口音，这样很不礼貌。

Bùyào cháoxiào biérén de kǒuyīn, zhèyàng hěn bù lǐmào.

Don't mock other people's accents; that's very rude.

他因为穿错了衣服，被同学嘲笑了一整天。

Tā yīnwèi chuān cuò le yīfu, bèi tóngxué cháoxiào le yī zhěng tiān.

Because he wore the wrong clothes, he was mocked by his classmates all day.

她害怕被人嘲笑，所以不敢上台演讲。

Tā hàipà bèi rén cháoxiào, suǒyǐ bù gǎn shàngtái yǎnjiǎng.

She was afraid of being mocked, so she didn't dare go on stage to give a speech.