adj.愚蠢的；荒唐的；欠考虑的
Jumping into the icy water was a harebrained idea. 跳入冰水这个想法真是愚蠢。
The first use of harebrained dates to 1548. " Harebrained的用法最初见于1548年。
Jack's harebrained scheme for raising money is not practicable. 杰克没有很好思考过的筹款的计划是不可行的。
He could be judged to be a harebrained person by his writting. 从他的书写可以判断他是一个粗心的人。
You can make money but not through harebrained schemes or gambling. 你可以赚钱的，但轻率的计划或赌博则是无法赚钱的。
