نُبِّئتُI was told أَنَّthat أَباAbu (father of) شَتيمٍShatim يَدَّعيmakes a claim
نُبِّئتُ أَنَّ أَبا شَتيمٍ يَدَّعي
مَهماhowever long تَعِشyou live تَسمَعyou hear بِماof what لَمnot (past negation) يَسمَعِhe hears
مَهما تَعِش تَسمَع بِما لَم يَسمَعِ
I was told that Abu Shatim makes a claim.
I heard Abu Shateem claims
However long you live, you will hear of what he has not heard.
No matter how long you live, you'll hear what was never heard