YOU SAID:
The witch was brewing an evil potion.
INTO JAPANESE
魔女は邪悪な薬を醸造していた。
BACK INTO ENGLISH
The witch was brewing evil medicine.
INTO JAPANESE
魔女は邪悪な薬を醸造していた。
BACK INTO ENGLISH
The witch was brewing evil medicine.
That didn't even make that much sense in English.