YOU SAID:

My life is so sad, I’ve lost the keys to my flat

INTO JAPANESE

私の人生はとても悲しい私のアパートの鍵を失った

BACK INTO ENGLISH

My life is so sad, I lost the keys to my apartment.

INTO JAPANESE

私の人生はとても悲しいアパートの鍵をなくした

BACK INTO ENGLISH

My life is so sad, I lost the keys to my apartment.