FAQs About the word knuckle under (to)

屈服(于)

向……鞠躬,提交(给),屈服(于),投降(向…),向…屈服,向(某人)投降,让步于,弯腰

与...竞争,战斗,反对,抵抗,承受,挑战,战斗,违抗,排斥,战斗

knuckle down (to) => 专注于(某事), knows => 知道, know-nothingisms => 不懂装懂, knowledges => 知识, know-hows => 诀窍,