YOU SAID:
The mother hit her daughter because she was drunk.
INTO JAPANESE
母親は酔っていたので娘を殴った。
BACK INTO ENGLISH
The mother was drunk and hit her daughter.
INTO JAPANESE
母親は酔って娘を殴った。
BACK INTO ENGLISH
The mother got drunk and hit her daughter.
INTO JAPANESE
母親は酔って娘を殴った。
BACK INTO ENGLISH
The mother got drunk and hit her daughter.
That didn't even make that much sense in English.