hys·ter·i·cal·ly
adverb/hɪˈsterɪkli/
/hɪˈsterɪkli/
- in an extremely excited way and without any control, often with crying or laughter
歇斯底里地：以极其激动的方式，没有任何控制，常常哭泣或大笑 - to laugh/cry/scream/sob hysterically
歇斯底里地大笑／大哭／尖叫／哭泣 - hysterically funny (= extremely funny, often so funny that it makes you cry with laughter)
极其可笑
- to laugh/cry/scream/sob hysterically