YOU SAID:
His lack of attention is his downfall
INTO JAPANESE
彼の注意力の欠如は彼の没落である
BACK INTO ENGLISH
his lack of attention is his downfall
INTO JAPANESE
彼の注意力の欠如は彼の没落である
BACK INTO ENGLISH
his lack of attention is his downfall
That didn't even make that much sense in English.