"he had never grown accustomed to the monotony of his work"
"he was sick of the humdrum of his fellow prisoners"
"he hated the sameness of the food the college served"
The monotony of this dull waste of grass.
出自： I. Banks
The monotony of domestic life bored her.
出自： R. Thomas
This shot is so important in billiards that it should be practised to the point of monotony.
出自： I. Morrison