عَلَيناincumbent upon us مُحاذاةُaiming at المَراميthe targets سِهامُناour arrows
عَلَينا مُحاذاةُ المَرامي سِهامُنا
وَلَيسَand it is not عَلَيناincumbent upon us أَنto نُصيبَhit the mark فَلاand thus not نُخطيmiss
وَلَيسَ عَلَينا أَن نُصيبَ فَلا نُخطي
Ours is to aim our arrows straight at the mark;
We must aim our arrows at the targets;
it is not ours to strike it and never miss.
and we are not required to hit the mark and never miss.