half-baked

a half-baked idea

不成熟的想法

牛津詞典

I didn't want to make things worse by coming up with half-baked notions.

我可不想一拍腦門想出些餿主意而把事情搞得更糟。

This is another half-baked scheme that isn't going to work...

這又是一個不靠譜的計劃，是不會成功的。