YOU SAID:
The quick brown fox swiftly bounced over the very lazy dog who became surprised and jumped up in pure shock of the fox's sudden arrival.
INTO JAPANESE
機敏な茶色のキツネは、非常に怠惰な犬の上を素早く飛び跳ねました。犬はキツネの突然の到着に驚いて飛び上がりました。
BACK INTO ENGLISH
The agile brown fox quickly jumped over the very lazy dog. The dog jumped up in surprise at the fox's sudden arrival.
INTO JAPANESE
機敏な茶色のキツネは、とても怠惰な犬をすぐに飛び越えました。犬はキツネの突然の到着に驚いて飛び上がった。
BACK INTO ENGLISH
The agile brown fox quickly jumped over the very lazy dog. The dog jumped up in surprise at the fox's sudden arrival.
That didn't even make that much sense in English.