to make something progress or improve
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to cause to move forward
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to polish a language
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to advance someone in his career
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to improve upon something
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to improve on something
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to move something along
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to work up something
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to polish something up
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to get on with one's studies
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to push one's conquests
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to rub up one's French
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to push one's business
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to get the crowd to move on
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