n. 1.指关节，指节。 2.〔通常 pl.〕铜指节套(＝knuckle duster, 又称 brass knuckles)。 3.(小牛、猪等的)膝关节，脚圈；肘，蹄。 4.【机械工程】钩爪，关节；铰结，肘形接；【造船】船尾棱缘；【建筑】(屋顶等的)脊。 短语和例子 a coupler knuckle车钩关节。 a universal joint knuckle 【机械工程】万向接头关节。 get a rap on [over] the knuckles 挨骂，受申斥。 give sb. a rap on [over] the knuckles 责骂某人，申斥某人。 near the knuckle〔口语〕(笑话等)近似猥亵的，接近诲淫的。 vt. 用指关节打[压，碰，擦]。 vi. (儿童弹玻璃弹子时)以指关节贴地 (down)。 knuckle down 1. 开始认真工作；干劲十足地干(knuckle down for an hour and finish 认真干一个小时把…干完)。2.(向…)投降 (to) (＝knuckleunder)。knuckle under to sb. 〔口语〕(向某人)认输，屈服。
a joint of a finger when the fist is closed 同义词：knuckle joint, metacarpophalangeal joint,
shoot a marble while keeping one''s knuckles on the ground
press or rub with the knuckles
The knuckles are the joints of the fingers which are brought into prominence when the hand is clenched and a fist is made. The word is cognate to similar words in other Germanic languages, such as the Dutch "Knokkel" (knuckle) or German "Kn?chel" (ankle), i.
例句与用法
1.
Slote gnawed on a knuckle . 斯洛特咬住一下指关节。
2.
She rapped my knuckles . 她轻而快地敲打我的指节。
3.
How do you say blond little cushioned knuckles in french ? 细小的、柔软白皙的指节，法文该怎么说？
4.
Wainwright rubbed a knuckle along the surface of his chin . 温赖特的一个手指关节在下巴上搓来搓去。
5.
The child 's father gave a rap on the knuckles as a physical punishment . 小孩的父亲敲打他的指关节体罚他。
6.
She took his firm hand, pressed his knuckles against her cheek . 她抓住了他那结实的手，把那手指关节紧紧地贴在自己的脸颊上。
7.
John put some mercurochrome on the places where his knuckles were skinned and cut . 在指关节擦破皮的地方，约翰尼都给抹上了红药水。
8.
He tried to steal sugar under his aunt's very nose, and got his knuckles rapped for it . 他就当着他姨妈面前偷糖吃，指节骨上给敲了一下。
9.
His knuckles showed white with the effort when he eased his powerful torso into the chair . 当他那强健有力的身躯坐在椅子上的时候，他的手指关节都因为用力的关系而呈现出白色了。
10.
Bitzer picked up his cap, which the concussion had knocked off, and backing, and knuckling his forehead, pleased that it was an accident . 毕仄捡起了他那顶被撞下来的帽子，退后一步，用指节摸了一下头，庆幸这是出于无意。
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