stark raving bonkers1 informal completely crazy 完全[彻底]疯狂 → (stark) raving mad/bonkers at raving2(1)
2 (also stark staring mad British English)CRAZY completely crazy 完全疯了的 He’s gone stark raving mad. 他已经完全疯了。
stark raving mad/bonkers• All of this doesn't mean he wasn't stark raving mad, and just putting on.
→ stark raving mad/bonkers at stark2(2)