Such a person could be totally exhausted at the end of the day after engaging in such activities, but he did not do what he was directed to do.
ان انهماك المرسل في امور كهذه يمكن ان يتركه مرهقا في آخر النهار ،‏ لكن دون ان يكون قد انجز ما طُلب منه .‏