嗤 ci¹ {chī}

1. laugh at
2. jeer
3. scoff at
4. sneer at

嗤笑 ci¹ siu³ {chī xiào}

to sneer at

嗤之以鼻 ci¹ zi¹ ji⁵ bei⁶ {chī zhī yǐ bí}

1. to snort disdainfully
2. to scoff at
3. to turn up one's nose