to keep something secret
何かを秘密にしておく (nanika o himitsu ni shite oku)
"They managed to keep the project under wraps until the launch day."
"彼らはプロジェクトを秘密にしておくことに成功しました、発売日まで。" (Karera wa **purojekuto o himitsu ni shite oku** koto ni seikō shimashita, hatsubai hi made)
about to be very surprised or shocked
the best; better than everyone else
someone or something so good that it’s difficult to replace
to organize or resolve a confusing situation
to prepare for every possible situation
to trust someone completely