YOU SAID:
human is very dumb in the park
INTO JAPANESE
人間は公園で非常に愚かです
BACK INTO ENGLISH
humans are very stupid in the park
INTO JAPANESE
人間は公園でとても愚かです
BACK INTO ENGLISH
humans are so stupid in the park
INTO JAPANESE
人間は公園でとても愚かです
BACK INTO ENGLISH
humans are so stupid in the park
You've done this before, haven't you.