v.用指关节打（压，碰，擦）
knuckle的现在分词

原形：knuckle第三人称单数：knuckles复数：knuckles过去式：knuckled过去分词：knuckled现在分词：knuckling

He hit the table with his knuckles, making a sharp knocking sound.
他用指关节敲了敲桌子，发出响亮的敲击声。
She rubbed her knuckles against her eyes, trying to wake herself up.
她用指关节揉了揉眼睛，试图让自己清醒。
The boxer landed a powerful punch on his opponent's jaw, connecting with a solid knuckle crunch.
拳击手向对手的下巴打出一记重拳，指关节撞击声清晰可闻。
The old man's knuckles were swollen and bruised from years of hard work.
老人的指关节因多年的辛劳而肿胀淤青。
The child held his hand up, showing off his white knuckles from gripping his toy too tightly.
孩子举起手来，手指紧握玩具的指关节都变白了。
She nervously twisted her wedding ring around her knuckle, lost in thought.
她紧张地转动着婚戒，思绪万千。
His knuckles cracked as he stretched out his fingers after a long typing session.
经过长时间打字后，他伸展手指时指关节发出了噼啪声。
The detective held the flashlight between his knuckles, ready to defend himself.
警探将手电筒夹在指关节间，准备自卫。
The pianist's practiced fingers danced over the keys, their knuckles barely touching the piano.
钢琴家熟练的手指在琴键上跳跃，指关节几乎不触碰钢琴。
The tailor measured the customer's waist by looping a tape measure around their knuckles.
裁缝用软尺绕过顾客的指关节来测量他们的腰围。