| 释义 |
buckle /ˈbʌkl/ ► SEE ALLbuckle down (to sth) buckle up ●ˌbuckle ˈdown (to sth) (informal) to start working or doing sth in a serious or determined way 开始认真做；努力干◆He tried to buckle down to some study.
他想静下心来学点东西。SYN knuckle down (to sth) [v + adv]●ˌbuckle ˈup (especially NAmE) to fasten the belt that you wear in a car, etc. to keep you in your seat if there is an accident (a seat belt) 系上安全带◆Buckle up, kids.
孩子们，系好安全带。SYN belt up (BrE) [v + adv] |