knuckle down片语动词

片语动词

1. 1

   开始认真努力、专心用功、埋头苦干

   If you knuckle down now, you can still pass the exam.

   如果你现在开始认真用功，还是能通过考试。

2. 2

   著手专心做、埋头投入常接 to

   She finally knuckled down to writing her final report.

   她终于埋头写起期末报告。

3. 3

   屈服、让步旧式

   He refused to knuckle down to their unreasonable demands.

   他拒绝对他们无理的要求屈服。