(stark) raving mad

US /ˈstɑːrk ˈreɪvɪŋ mæd/
UK /ˈstɑːrk ˈreɪvɪŋ mæd/
"(stark) raving mad" picture
1.

彻底疯了, 完全疯癫

completely mad or insane

:
He must be stark raving mad to think he can climb that mountain in winter.
他一定是彻底疯了,才会觉得他能在冬天爬那座山。
The old man was stark raving mad, muttering to himself in the street.
那个老人彻底疯了,在街上自言自语。