详细解释:有精神病的, 疯的
英语解释：
形容词 round the bend:
informal or slang terms for mentally irregular同义词：balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, around the bend, wacky, whacky