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When someone is hard to please; they always expect the best, and more; good is never enough; always room for improvement
The student could've done better (99% on test); 2nd place out of 100; 'they could've done better'; I like that person, but their laugh bugs me. I'm such a "hard marker"

A very hard to please person; they're always finding faults.
by winnipegdude January 25, 2012
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