How to say “I need the key that opens the door.” in JapaneseIn Japaneseドアを開(あ)ける鍵(かぎ)が必要(ひつよう)です。Doa o akeru kagi ga hitsuyō desu.▶ Hear it in JapaneseI need the key that opens the door. in other languagesWhat I need the key that opens the door. meansIn PortugueseIn French