knuckle

关节；指关节；指节；膝关节；肘英释中释nyour knuckles are the joints in your fingers, including the ones where your fingers join your hands

开始认真工作中释v

1 steering knuckle,转向关节

2 knuckle down,屈服；开始认真工作

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

4 knuckle sandwich,对准嘴的一拳

1 Her knuckles whitened as she gripped the gun..她紧紧握着枪，指关节都发白了。