Idiom meaning, usage examples, facts
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KNUCKLE DOWN
to do one’s work seriously; to apply oneself fully; to get busy
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1. The young man hadn’t been studying very much and now he was failing his courses. The student advisor told him he would have to knuckle down if he wanted to avoid being expelled.
2. Mary frequently complains that she doesn’t have enough time to finish her work. But if she would spend less time chatting and just knuckle down, she would get it done. |
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