it seems better to
探しておいた方がよさそうだ
It might be a good idea to look for it in advance.
— Arrietty (2010)
彼らと一緒に行った方がよさそうだ。
It would probably be better to go with them.
することがないから、寝た方がよさそうだ。
I have nothing to do, so I might as well go to bed.
食べるのはやめておいた方がよさそうだな。
It might be best not to eat it.