YOU SAID:

my mum blew up by aa mortar

INTO JAPANESE

私の母はAAモルタルで爆破した

BACK INTO ENGLISH

My mother blew up with AA mortar

INTO JAPANESE

私の母はAAモルタルで爆発しました

BACK INTO ENGLISH

My mother exploded with AA mortar

INTO JAPANESE

私の母はAAモルタルで爆発

BACK INTO ENGLISH

My mother exploded with AA mortar