YOU SAID:
They even didn't know about sucking some drool
INTO JAPANESE
彼らはよだれを吸うことさえ知らなかった
BACK INTO ENGLISH
They didn't even know to suck drool
INTO JAPANESE
彼らはよだれを吸うことすら知らなかった
BACK INTO ENGLISH
They didn't even know to suck drool
Come on, you can do better than that.