YOU SAID:
Weeds grow vigorously
INTO JAPANESE
雑草は激しく育つ
BACK INTO ENGLISH
Weed grows intensely
INTO JAPANESE
ウィードは激しく成長する
BACK INTO ENGLISH
Weed grows violently
INTO JAPANESE
ウィードは激しく成長する
BACK INTO ENGLISH
Weed grows violently
That didn't even make that much sense in English.