(of persons) "his father was a hard-to-please taskmaster"
give pleasure to or be pleasing to
be the will of or have the will (to)
not easy; requiring great physical or mental effort to accomplish or comprehend or endure
dispassionate;
resisting weight or pressure
very strong or vigorous
characterized by effort to the point of exhaustion; especially physical effort
with firmness
causing great damage or hardship
