If you describe an idea or plan as half-baked, you mean that it has not been properly thought out, and so is stupid or impractical.
例句
This is another half-baked scheme that isn't going to work...这又是一个不靠谱的计划，是不会成功的。I didn't want to make things worse by coming up with half-baked notions.我可不想一拍脑门想出些馊主意而把事情搞得更糟。
英汉词典释义
adj.
半熟的
未完成的;不完整的
<口>(计划、思考等)幼稚的;思虑不周的
Don’t listen to his half-baked ideas.不要听他那思虑不周详的主意。
英英词典释义
Adjective
1. foolish; totally unsound;
"an impractical solution""a crazy scheme""half-baked ideas""a screwball proposal without a prayer of working"