adj.(计划、理论)愚蠢的，不切实际的

His harebrained scheme to start a hot air balloon business crashed and burned before it even took off.
他那个启动热气球业务的荒谬计划还没开始就失败了。
The harebrained idea of swimming across the ocean seemed more like a death wish than a challenge.
游泳横渡大洋的疯狂想法看起来更像是寻死而非挑战。
The politician's harebrained proposal to solve poverty by giving everyone a million dollars was met with skepticism.
那位政客提出的通过给每个人一百万美元来解决贫困的荒谬提议遭到了怀疑。
The teenager's harebrained decision to quit school and become a rockstar left his parents in shock.
这个青少年放弃学业去做摇滚明星的疯狂决定让他的父母大吃一惊。
The entrepreneur's harebrained invention, a self-driving bicycle, was met with both laughter and intrigue.
那位企业家的疯狂发明——自动驾驶自行车，既引来了笑声也引起了好奇。
The harebrained notion that aliens live among us has been debunked by scientists for decades.
外星人生活在我们中间的荒谬观点已经被科学家们否定了几十年。
The athlete's harebrained training method, which involved running on ice, led to a serious injury.
那名运动员采用在冰上跑步的疯狂训练方法，结果导致了严重的伤病。
The harebrained suggestion to solve traffic congestion by banning cars altogether was seen as unrealistic.
完全禁止汽车以解决交通拥堵的疯狂建议被看作是不切实际的。
The harebrained scheme to build a skyscraper on a tiny island was quickly dismissed by engineers as unfeasible.
在一个小岛上建造摩天大楼的疯狂计划被工程师们迅速认定为不可行。
The artist's harebrained approach to painting, using coffee instead of paint, produced surprisingly beautiful results.
那位艺术家用咖啡代替颜料进行绘画的疯狂方式，竟然产生了出人意料的美丽效果。