knuckle down phrasal verbphr v informal WORK HARDto suddenly start working or studying hard 〔突然〕开始努力工作[学习] SYN get down to If he doesn’t knuckle down soon, he’ll never get through those exams. 他如果不快点用功,肯定通不过那些考试。
to He is clearly ready to knuckle down to the task. 显然他已准备认真着手这项任务。
knuckle to• Social workers and their managers are clearly ready to knuckle down to the task of making the policy work for users.
→ knuckle down at knuckle2(1)