YOU SAID:

My nan hit me on the face at 3 am

INTO JAPANESE

私のナンは午前3時に顔に当たった

BACK INTO ENGLISH

My nan hit my face at 3 am

INTO JAPANESE

私のナンは午前3時に顔を殴った

BACK INTO ENGLISH

My nan hit me at 3 am

INTO JAPANESE

私のナンは午前3時に私を襲った

BACK INTO ENGLISH

My nan hit me at 3 am