全部

1·Knuckling over of the front legs is a disqualification.

前腿有突球是不合格的。

2·Knuckling at fetlocks, ataxia, tail deviation and tail may be flaccid.

扣打距毛，运动失调，尾偏斜和尾可能松垂。

3·Businesses will object to strict regulations without the prospect of their international competitors in America, China and India knuckling under.

各公司看不到美国，中国和印度的竞争对手服从政策的迹象，也将会对严格制度加以抵抗。

4·Mandy saw him at meetings, but she worried that he wasn’t letting the program work on him, was maybe just white-knuckling it, a funny thing to say about a black man.

曼迪在会谈上看见了他，可是她担心他只是一时兴起而已，可是她担心他只是一时性起而已，并没真把这种活动放在心上。

(1)steering knuckle转向关节

(1)knuckle down屈服；开始认真工作

(1)near the knuckle[口语](笑话等)近乎猥亵的，近乎下流的，近乎粗鄙的

(1)knuckle sandwich对准嘴的一拳