???? ???? ???? ? ????? ??? ?? ???? ????? ?? ???? ????? ????? ?????? ?????? ????? ?? ??????? ?? ?? ?? ????.rigorous - possessing or exhibiting a particular attribute into a heightened degree; "extreme warmth"; "rigorous nervousness"; "extreme desire"; "rigorous emotion"; "the skunk's intensive acrid odor"; "powerful soreness"; "enemy hearth was inte