If you urge someone to do something, you push them to do it, or you tell them they need to do it because it's important. You might say, "Go! Go!" or "Come on! Come on!" or "Do it! You must!" You might urge your friends to try a new game, or urge your siblings to brush their teeth better.
Here, Sideshow Bob urges Bart up the stairs.
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If your friend has been working too long, you might urge her to get up and take a break.
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If you get an urge to do something, or you have or feel an urge to something, you suddenly want to do it. Imagine that someone tells you, "Don't push this button!" You might have an urge to push it! Suddenly, you really want to! If you get the urge to go outside, you suddenly feel like you've just got to get out there and breathe the fresh air. And if you get mad at someone and get an urge to smack them, you'll have to fight that urge so that you don't do it.
Remember: to urge someone is to tell them or remind them to do something because they really should. To urge someone against something is to tell them or remind them NOT to do it, because they really shouldn't. And, to get an urge to do something is to get a sudden desire to do it.
Idea 1: "On a very (hot or cold) day, I often get the urge to (do something)."
Idea 2: "I urged my friend against (doing something dangerous), because (he or she could get hurt somehow)."
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