knuckled
v.
（指人）指关节( knuckle的过去式和过去分词 );
（指动物）膝关节，踝;
例句:
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He knuckled me in the chest.
他用指关节敲击我的胸部.
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Mr. Cruncher knuckled his forehead, as Sydney Carton and the spy returned from the dark room.
克朗彻先生用指关节敲敲自己的前额, 这时西德尼-卡尔顿和密探从黑屋出来了.
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The boy knuckled down took aim and shot for the centre hole.
男孩把指关节贴在地上瞄准,然后把弹子朝中心洞打去.
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They had knuckled under to Queensbury's threats.
来自R. Ellmann
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Her tight-knuckled hands and bitten nails.
来自M. Bradbury
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He has knuckled down, played a game foreign to him and showed application.
来自BBC