YOU SAID:
may i murder you, my dear?
INTO JAPANESE
私はあなたを殺してもいいですか?
BACK INTO ENGLISH
May I kill you?
INTO JAPANESE
私はあなたを殺すことができますか?
BACK INTO ENGLISH
Can I kill you?
INTO JAPANESE
あなたを殺すことはできますか?
BACK INTO ENGLISH
Can you kill me?
INTO JAPANESE
あなたは私を殺すことができますか?
BACK INTO ENGLISH
Can you kill me?
That didn't even make that much sense in English.