英语词汇“knuckle down”的意思、释义、用法及双语翻译-时代网

词汇	knuckle down
释义	phrasal verb I'm going to have to knuckle down to some serious study. 我得开始认认真真地学习了。
随便看	on your marks, get set, go on your mark(s), get set, go! on your mettle on your mind on your own on your own account on your own head be it on your person on your/somebody's mind on your tiptoes on your tod on your uppers on your way on your way out onyx onyxes oodles oodles of oodles of something oodles of sth oodless oof ooh oohed oohing 花轴花轿花边花边新闻花边钱花道花郎花酒花里胡哨花针花钱花钿花销花镜花门花阴花障花雀花雕花雕酒花雨花露花露水花霾脖子花青

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