لاnot (prohibitive) أَعرِفَنَّكَI find you (emphatic) إِنif أَرسَلتَyou send forth قافِيَةًa verse
لا أَعرِفَنَّكَ إِن أَرسَلتَ قافِيَةً
تُلقيyou offer المَعاذيرَthe excuses إِنif لضمunclear; read as 'not' (likely a typo for لم) تَنفَعِavail العِذَرُthe excuses
تُلقي المَعاذيرَ إِن لضم تَنفَعِ العِذَرُ
Let me not find you, if you send forth a verse,
I will not recognize you if you compose a rhyme
Offering excuses if excuses are of no avail.
To make excuses though they be of no avail
إِنَّindeed السَعيدَthe fortunate man لَهُfor him فيin غَيرِهِothers besides himself عِظَةٌa lesson
إِنَّ السَعيدَ لَهُ في غَيرِهِ عِظَةٌ
وَفيand in التَجارِبِexperiences تَحكيمٌsound judgment وَمُعتَبَرُand a lesson to heed
وَفي التَجارِبِ تَحكيمٌ وَمُعتَبَرُ
Indeed, the fortunate man finds a lesson in others,
Truly the happy man may take from others a lesson
And in experience there is sound judgment and a lesson to heed.
And from experiences, wisdom and a moral