A proverb meaning a poor or clumsy idea is almost as bad as doing nothing; sometimes it's better to refrain than to act on bad notions.
急いで適当な解決策を出すより、下手の考え休むに似たりだから一度冷静になろう。
Rather than hastily coming up with a makeshift solution, bad ideas are nearly as bad as doing nothing — let's calm down first.
彼の提案は細部がずれていて使えない。正直、下手の考え休むに似たりだ。
His proposal is off in the details and useless. Honestly, a bad idea is almost as good as doing nothing.
とりあえずやってみようという態度も大切だが、根本的に間違った方法なら下手の考え休むに似たりだ。
A 'let's just try it' attitude can be important, but if the method is fundamentally wrong, a bad idea is almost as bad as doing nothing.