YOU SAID:

Knock knock, who's there, it's nothing filled with water

INTO JAPANESE

Knock knock, who's there 水で満たされたものは何もない

BACK INTO ENGLISH

Knock knock, who's there nothing filled with water

INTO JAPANESE

ノックノック 水で満たされたものは何もない

BACK INTO ENGLISH

Knock Knock Nothing filled with water

INTO JAPANESE

Knock Knock 水で満たされたものは何もありません

BACK INTO ENGLISH

Knock Knock Nothing filled with water