Terms containing on both grounds

Subject	English	Russian
gen.	have both feet firmly on the ground	прочно стоять на ногах (AD Alexander Demidov)
idiom.	have both feet on the ground	стоять обеими ногами на земле (Andrey Truhachev)
idiom.	have both feet on the ground	быть реалистом (Andrey Truhachev)
idiom.	have both feet on the ground	быть практичным человеком (to be very practical and see things as they really are fluent)
idiom.	have both feet on the ground	быть прагматиком (to be very practical and see things as they really are fluent)
Makarov.	have both feet on the ground	крепко стоять на ногах
Makarov.	keep both feet on the ground	крепко стоять на ногах
math.	on both grounds	по обоим соображениям (On both practical and physical grounds it is of interest, therefore, to determine conditions that will guarantee that K has a unique fixed point.)
math.	on both practical and theoretical grounds	как с практической так и теоретической точки зрения
math.	on both practical and theoretical grounds	как с практической, так и теоретической точки зрения ... (it is of interest, therefore, to determine conditions that will guarantee that K has a unique fixed point)
math.	on both practical and theoretical grounds it is of interest	это интересно как с практической так и теоретической точки зрения
Makarov.	on both these grounds	по этим двум причинам
Makarov.	she refused on the ground that it was both unbecoming and un-American	она отказалась на том основании, что это было и неприлично, и не по-американски