harebrained
adj. 輕率的
You use hare-brained to describe a scheme or theory which you consider to be very foolish and which you think is unlikely to be successful or true.
This isn't the first hare-brained scheme he's had.
這已經不是他制定的第一個愚蠢方案了。
1. very foolish;
How could I leave my loving, erratic, harebrained mother to fend for her herself?
我怎麼可以撇下我可愛 、 古怪 、 率性的母親,讓她獨自一人去生活 呢 ?