FAQs About the word knuckling down (to)

專注於(at)

扣緊(向下扣),專注於,掉 (到),專注於,專注(於),定居(下來),尋址,接近,參與,猛烈下降(在)

迴避,回避的,迴避,瞎搞(在),愚弄,空轉,落後的,搞笑,打鬧,玩

knuckling down => 專注, knuckled under (to) => 屈服, knuckled under => 服從, knuckled down => 專心致志, knuckle under (to) => 屈服(於),