My neighbor's new lawn mower has given me a bad case of lawn mower 'envy'. [=I'm very envious of my neighbor's new lawn mower]
Her beautiful hair was an 'object of envy'. [=people felt envy because of her beautiful hair]
I don't 'envy' you your dental problems. [=I'm glad that I don't have your dental problems]
(..) One guy lives in Brooklyn. One guy lives in Sutton Place. You got a lawyer. Another guy's a doctor. Another guy dies. Another guy gets well. People are born. I envy you, your youth. Go on, get laid. Get drunk. Do anything. Because you got no choice, anyway. I mean, we're all f$cked. More or less. (..)1976 Taxi Driver