a.

1. 疯狂的；蠢的；古怪的[+to-v]
   You're crazy to go out in this stormy weather.

   在这种暴风雨的天气外出，你疯了。

2. 【口】着迷的，热衷的，狂热的[F][（+about/for/on）]
   John's crazy about that girl.

   约翰狂热地爱上了那个女孩。

adj.

1. insane or unbalanced, especially as manifested in wild or aggressive behaviour.
   ▸extremely foolish.
2. informal extremely enthusiastic about something.
3. appearing absurdly out of place or unlikely:
   the monument leant at a crazy angle.
4. archaic full of cracks or flaws.

n.