YOU SAID:
The brown fox jumps quickly over the lazy dog.
INTO JAPANESE
茶色のキツネは怠惰な犬の上を素早く飛びます。
BACK INTO ENGLISH
A brown fox quickly jumps over a lazy dog.
INTO JAPANESE
茶色のキツネはすぐに怠惰な犬を飛び越えます。
BACK INTO ENGLISH
A brown fox quickly jumps over a lazy dog.
That didn't even make that much sense in English.