| 单词 | knuckle down |
| 释义 | knuckle downSEE SYNONYMS FOR knuckle down ON THESAURUS.COM verb(intr, adverb) informal to apply oneself diligentlyto knuckle down to some work Words nearby knuckle downknuckle, knuckleball, knuckleballer, knucklebone, knucklebones, knuckle down, knuckle-duster, knucklehead, knuckle joint, knuckle pads, knuckle sandwich Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Idioms and Phrases with knuckle downknuckle down Apply oneself seriously to some task or goal, as in The professor insisted that we knuckle down and get our papers in by Friday. Both this term and the rhyming synonym buckle down date from the 1860s, but the precise allusion in either is unclear. See knuckle under. The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. |
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