FAQs About the word knuckle under

屈服

consent reluctantly

弓,承认,提交,屈服,投降,眨眼,预算,投降,让步,退出

争论,战斗,抵抗,战斗,对质,计数器,违抗,脸,阻止,见面

knuckle joint => 指节关节, knuckle duster => 指虎, knuckle down => 努力, knuckle => 关节, knubs => 结节,