1. 歇斯底里的;情绪狂暴失控的
    Someone who is hysterical is in a state of uncontrolled excitement, anger, or panic.

hysterical什么意思

    e.g. 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。
    e.g. He made headlines and received hysterical hate mail.
           他成了新闻人物，收到了疯狂的攻击性邮件。

2. 癔病的;（通常指因惊吓而）情绪异常激动的
    Someone who is hysterical is in a state of violent and disturbed emotion that is usually a result of shock.

    e.g. I suffered bouts of really hysterical depression.
           我曾患阵发的严重癔病性抑郁症。

3. （笑声）疯狂失控的，不可抑制的
    Hysterical laughter is loud and uncontrolled.

hysterical的翻译

    e.g. I had to rush to the loo to avoid an attack of hysterical giggles.
           我不得不冲向卫生间，以免遭到别人的疯狂嘲笑。

4. 极可笑的;非常滑稽的
    If you describe something or someone as hysterical, you think that they are very funny and they make you laugh a lot.

    e.g. Paul Mazursky was Master of Ceremonies, and he was pretty hysterical.
           保罗·马祖尔斯基担任司仪，他简直把人笑坏了。