YOU SAID:

he who runs into the street with water, will come back with pants on fire

INTO JAPANESE

水を持って通りに飛び出す者は、火の付いたパンツを持って戻ってくるだろう

BACK INTO ENGLISH

He who runs out into the street with water will come back with pants on fire

INTO JAPANESE

水を持って通りに飛び出す者は、ズボンに火をつけて戻ってくるだろう

BACK INTO ENGLISH

He who runs out into the street with water will come back with his trousers on fire

INTO JAPANESE

水を持って通りに飛び出す者は、ズボンに火をつけて戻ってくるだろう

BACK INTO ENGLISH

He who runs out into the street with water will come back with his trousers on fire