YOU SAID:
The life of man is solitary, poor, nasty, brutish, and short.
INTO JAPANESE
人間の人生は孤独で、貧しく、厄介で、残酷で、短いです。
BACK INTO ENGLISH
Human life is lonely, poor, messy, cruel and short.
INTO JAPANESE
人間の生活は孤独で、貧しく、乱雑で、残酷で短いです。
BACK INTO ENGLISH
Human life is lonely, poor, messy, cruel and short.
That didn't even make that much sense in English.