knuckleKK [ˋnʌkəl] /ˈnʌkəl/发音名词1指关节、指节He cracked his knuckles before starting to type.他开始打字前先把手指关节按得喀喀作响。2蹄膀、腿肉指食材The restaurant is famous for its roasted pork knuckle.那家餐厅以烤猪脚闻名。动词1用指关节按、揉She knuckled her tired eyes and yawned loudly.她用指关节揉了揉疲惫的双眼,大声打了个呵欠。片语动词1认真做、发愤knuckle downYou need to knuckle down and finish the report tonight.你今晚得认真一点,把报告写完。2屈服、让步knuckle underThe union refused to knuckle under to management's threats.工会拒绝向资方的威胁屈服。用这个字练口说→相关片语knuckle down