动词过去式:buckled 过去分词:buckled 现在分词:buckling 第三人称单数:buckles
1 metal or plastic clasp with a hinged spike for fastening a belt or straps （皮带等的）锁扣, 扣环.
2 ornamental clasp on a shoe （鞋上的）装饰扣.
1 [I, Ip, Tn, Tn.p] ~ (sth) (up) fasten (sth) or be fastened with a buckle 用锁扣扣紧（某物）
*My belt is loose; I didn't buckle it up tightly enough. 我的腰带松了, 我没扣紧.
* These shoes buckle at the side. 这鞋在侧面系扣.
2 [I, Tn] (cause sb/sth to) crumple or bend (usu because of pressure or heat) （使某人[某事物]）屈服, 顺从, 让步, 弄弯, 变形（通常因受力或受热所致）
*The metal buckled in the heat. 金属因受热而变形.
* The crash buckled the front of my car. 我的汽车前部撞瘪了.
* (fig 比喻) He's beginning to buckle under the pressure of work. 工作快要把他压垮了.
3 (phr v) buckle down to sth (infml 口) start sth in a determined way 下定决心做某事
*She's really buckling down to her new job. 她埋头苦干做新工作. buckle sb in/into sth fasten sb in (a seat, etc) with a belt 用皮带把某人扣在（座位等）上
*The parachutist was buckled into his harness. 跳伞者扣上了背带. buckle (sth) on (cause sth to) be attached with a buckle （使某物）被锁扣扣住
*a sword that buckles on 用锁扣扣住的剑
* buckle on one's belt 把自己的皮带系紧. buckle `to (infml 口) (esp of a group) make a special effort (usu in the face of difficulties) （尤指集体）特别努力（通常为面对困难时）
*The children had to buckle to while their mother was in hospital. 孩子们因母亲住院只好事事更加努力.