YOU SAID:
the fox jamp over the duck
INTO JAPANESE
キツネがアヒルの上を飛び越える
BACK INTO ENGLISH
the fox jumps over the duck
INTO JAPANESE
キツネがアヒルを飛び越える
BACK INTO ENGLISH
fox jumps over duck
INTO JAPANESE
キツネがアヒルを飛び越える
BACK INTO ENGLISH
fox jumps over duck
That didn't even make that much sense in English.