音乐节上的人群陷入狂喜，随着音乐疯狂起舞。

The crowd at the music festival was in ___delirium, dancing wildly to the music.

手术后她因为高烧陷入了谵妄状态，不停说着胡话。

After the surgery, she developed ___delirium from high fever and kept talking nonsense.