他那歇斯底里的笑声使所有的人不知所措。用英语怎么说？

他那歇斯底里的笑声使所有的人不知所措。

His hysterical laughter made everybody stunned.

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

hysterical

adj. 情绪异常激动的，歇斯底里般的，癔病的，癔病性；

例句
Police and bodyguards had to protect him as the almost hysterical crowds struggled to approach him...
当情绪几近失控的人群拼命想接近他时，警察和保镖不得不保护他。

laughter

n. 笑，笑声，〈古〉好笑的事，〈美俚〉力量悬殊得可笑的体育比赛，大笑；

例句
Children were changing classrooms amid laughter and shouts.
孩子们在欢笑声和喊叫声中换教室。

made

adj. …制的，（人工）做成的，拼成的，虚构的，保证成功的；v. 使(make的过去式和过去分词)；

例句
Single people are treated as an aberration and made to pay a supplement.
独身者被当成异类，而且要付一笔额外的费用。

everybody

pron. 每人，人人，大伙儿，各位；

例句
They're forever bitching about everybody else.
他们永远都在怨别人。

stunned

v. 击晕( stun的过去式和过去分词 )，使大吃一惊，给（某人）以深刻印象，使深深感动；

例句
Many cinema-goers were stunned by the film's violent and tragic end.
许多来看电影的人都被这部影片暴力而悲惨的结局所震惊。