YOU SAID:
The kangaroo went hop hop hop
INTO JAPANESE
カンガルーはホップ・ホップ・ホップを行った
BACK INTO ENGLISH
The kangaroo did a hop hop hop
INTO JAPANESE
カンガルーがぴょんぴょん跳ねた
BACK INTO ENGLISH
kangaroo jumped
INTO JAPANESE
カンガルーが飛び跳ねた
BACK INTO ENGLISH
kangaroo jumped
That didn't even make that much sense in English.