YOU SAID:

The Quickest brown fox jumps over the lazy dog

INTO JAPANESE

最速の茶色のキツネは怠惰な犬の上にジャンプ

BACK INTO ENGLISH

The fastest brown fox jumps on a lazy dog

INTO JAPANESE

最速の茶色のキツネは怠惰な犬に飛び乗る

BACK INTO ENGLISH

The fastest brown fox jumps on a lazy dog