YOU SAID:
there are too many animals killers on this planet
INTO JAPANESE
この地球上には動物を殺す人が多すぎる
BACK INTO ENGLISH
There are too many people on this planet who kill animals.
INTO JAPANESE
この地球上には動物を殺す人が多すぎます。
BACK INTO ENGLISH
There are too many people on this planet who kill animals.
That didn't even make that much sense in English.