それ、ちょっと考え直したほうがいいよ。
sore, chotto kangaenaoshita hou ga ii yo.
You should probably think that over again. casual
彼は上司の指摘を受けて計画を考え直しました。
kare wa joushi no shiteki o ukete keikaku o kangaenaoshimashita.
He reconsidered the plan after his boss's feedback. neutral