狂笑

tā gāo shēng kuáng xiào

他高声狂笑。

He howled with laughter.

tā men nà jiǎ yì de āi shāng hěn kuài jiù biàn chéng le yī zhèn kuáng xiào

他们那假意的哀伤很快就变成了一阵狂笑。

Their apparent grief turned to crazy laughter in a minute.