Russian ⇄ English

целыми часами stresses
gen.	for hours (on end); for hours on end (подряд)
Makarov.	for hours; for hours and hours; for hours on end
целый час
gen.	solid hour; a full hour; long hour; full hour
inf.	a good hour (Andrey Truhachev)

целый час: 52 phrases in 2 subjects

General	32
Makarov	20