adj.愚蠢的；荒唐的；欠考慮的

Jumping into the icy water was a harebrained idea. 跳入冰水這個想法真是愚蠢。

The first use of harebrained dates to 1548. " Harebrained的用法最初見于1548年。

Jack's harebrained scheme for raising money is not practicable. 杰克沒有很好思考過的籌款的計劃是不可行的。

He could be judged to be a harebrained person by his writting. 從他的書寫可以判斷他是一個粗心的人。

You can make money but not through harebrained schemes or gambling. 你可以賺錢的，但輕率的計劃或賭博則是無法賺錢的。