CRAZYsomeone who is slightly crazy 有点精神失常的人;有点发疯的人
—crackpotadjectiveadj
crackpot schemes
异想天开的计划
Examples from the Corpus
crackpot• Though few volunteers were ready to migrate, not everyone thought Turner a crackpot.• You get these crackpot ideas about helping people who come along to you with a mournfultale.