knuckle under
1. 屈服; 认输
They refused to knuckle under to any pressure.
他们拒不屈从任何压力。
习惯用语near the knuckle1.[口]近乎下流, 近乎粗鄙rap sb.'s knuckles1.打某人的指关节(旧日责打学童的办法)2.严厉申斥某人; 责骂某人rap sb. over the knuckles1.打某人的指关节(旧日责打学童的办法)2.严厉申斥某人; 责骂某人knuckle down1.(小孩弹玻璃球时)以手指关节贴地2.开始认真工作, 专心工作knuckle down1.(向某人)屈服, 认输knuckle down to sb.1.(向某人)屈服, 认输knuckle under to sb.1.(向某人)屈服, 认输knuckle under1.(向某人)屈服, 认输特殊用法coupler knuckle1.钩舌, 车钩关节Elliont type knuckle1.埃利奥特变向关节(汽车前轴上下两叉间安装关节并用销钉连结)emergency coupler knuckle1.紧急钩舌fore knuckle1.(牛犊)前(腿)胫forked knuckle1.叉状关节hind knuckle1.牛后小腿lower knuckle1.(挖掘船身的)下部弯曲right-hand knuckle1.(自动车钩)右爪扣second knuckle1.[美]肩关节slide operating handle knuckle1.滑板操作柄关节steering knuckle1.转向关节swing knuckle1.(自动车钩的)摆动爪扣transition knuckle1.折边; 多变接头universal-joint knuckle1.万向接头关节valve rod knuckle1.阀杆肘