How to say “It's impossible to open this door without a key.” in JapaneseIn Japanese鍵(かぎ)なしでこのドアを開(あ)けるのは無理(むり)だよ。Kagi nashi de kono doa o akeru no wa muri da yo.▶ Hear it in JapaneseIt's impossible to open this door without a key. in other languagesWhat It's impossible to open this door without a key. meansIn PortugueseIn French