In particular, we found there often wasn't enough physical, strenuous activity in PE lessons.

BBC: 'Not enough strenuous activity' in school PE

Officials in Sydney have warned people to be ready for the heat, take care, avoid strenuous activity and stay out of the sun.

BBC: Sydney bakes on hottest day on record as bushfires rage

Western commercial angels are soothing creatures: in a world of stress their wings are as soft as fresh towels or bubble bath, their expressions gentle, their activity nothing more strenuous than praying, singing, or lightly dancing.

ECONOMIST: Angels