1. at work - Phrase
2. at work - Adjective Satellite
on the job
Source: WordNetFar and away the best prize that life has to offer is the chance to work hard at work worth doing. Theodore Roosevelt
Being a child at home alone in the summer is a high-risk occupation. If you call your mother at work thirteen times an hour, she can hurt you. Erma Bombeck
Nature is ever at work building and pulling down, creating and destroying, keeping everything whirling and flowing, allowing no rest but in rhythmical motion, chasing everything in endless song out of one beautiful form into another. John Muir
If the devil catch a man idle he'll set him at work. Russian Proverb
Priestly knaves sweat hard at their meat, but never at work get into a heat. German Proverb
Quick at meat, quick at work. German Proverb