YOU SAID:
The brown dog jumped over the quiet fox.
INTO JAPANESE
茶色の犬は静かなキツネを飛び越えました。
BACK INTO ENGLISH
The brown dog jumped over the silent fox.
INTO JAPANESE
茶色の犬は物言わぬキツネを飛び越えた。
BACK INTO ENGLISH
The brown dog jumped over the silent fox.
That didn't even make that much sense in English.