YOU SAID:

They even didn't know about sucking some drools

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 drool

INTO JAPANESE

彼らはよだれを垂らすことさえ知らなかった

BACK INTO ENGLISH

they didn't even know how to drool

INTO JAPANESE

彼らはよだれを垂らす方法さえ知りませんでした

BACK INTO ENGLISH

They didn't even know how to drool

INTO JAPANESE

彼らはよだれを垂らす方法さえ知りませんでした

BACK INTO ENGLISH

They didn't even know how to drool