he has covenanted with Allah,
they pledged allegiance to you
Verily those who plight their fealty to thee do no less than plight their fealty to Allah: the Hand of Allah is over their hands: then any one who violates his oath, does so to the harm of his own soul, and any one who fulfils what he has covenanted with Allah,- Allah will soon grant him a great Reward.
Allah's Good Pleasure was on the Believers when they swore Fealty to thee under the Tree: He knew what was in their hearts, and He sent down Tranquillity to them; and He rewarded them with a speedy Victory;
与你订约的人们,其实是与真主订约;真主的手是在他们的手之上的。背约者,自受背约之害;实践与真主所订约者,真主将赏赐他重大的报酬。
真主确已喜悦信士们。当时,他们在那棵树下与你订约,他已知道他们的心事,故降镇静于他们,并报酬他们临近的胜利,