YOU SAID:

did you hear? a man was shot with a knife

INTO JAPANESE

聞こえたの？男がナイフで撃たれました

BACK INTO ENGLISH

Did you hear it? The man was shot with a knife

INTO JAPANESE

あなたはそれを聞きましたか？男はナイフで撃たれました

BACK INTO ENGLISH

Have you heard of it? The man was shot with a knife

INTO JAPANESE

聞いたことありませんか？男はナイフで撃たれました

BACK INTO ENGLISH

Have you heard of it? The man was shot with a knife