إِذاif ماever (emphatic) أَرَدتَyou seek وِدادَthe friendship of اِمرِئٍa man
إِذا ما أَرَدتَ وِدادَ اِمرِئٍ
فَسَلthen ask كَيفَhow كانَhe was لِإِخوانِهِtoward his brothers
فَسَل كَيفَ كانَ لِإِخوانِهِ
If ever you seek a man's friendship,
then ask how he has treated his brothers.
فَإِمّاthen either رَضيتَyou are pleased فَأَحبَبتَهُand so you love him
فَإِمّا رَضيتَ فَأَحبَبتَهُ
وَإِمّاor else تَرَغَّبتَyou turn away عَنfrom شانِهِhis ways
وَإِمّا تَرَغَّبتَ عَن شانِهِ
Then either you are pleased and love him,
or you turn away from his ways.