a flat, typically rectangular or oval frame with a hinged pin, used for joining the ends of a belt or strap 带扣;皮带等的搭扣,搭钩 ■a similarly shaped ornament, especially on a shoe 扣形鞋饰
verb
[with obj.]fasten or decorate with a buckle 扣住;用搭扣装饰 he buckled his belt. 他扣上了他的皮带。 ■[no obj.](buckle up)fasten one's seat belt in a car or aircraft 系上安全带
[no obj.]bend and give way under pressure or strain 屈服,退让,投降 the earth buckled under the titanic stress. 在巨大的压力下,地面下陷了。 ■[with obj.]bend (something) out of shape 使弯曲变形 a lorry backed into the wall and buckled the gate. 一辆卡车往后撞到了墙上,把门撞得变了形。 ■(figurative)(of a person) suffer a psychological collapse as a result of enormous stress or pressure (喻)(人)精神崩溃 a weaker person might have buckled under the strain. 一个软弱一点的人在这样的压力下可能就垮了。
语源
Middle English : from Old French bocle, from Latin buccula 'cheek strap of a helmet', from bucca 'cheek'
继承用法 buckle down
tackle a task with determination 倾注全力,认真干 they will buckle down to negotiations over the next few months. 接下来的几个月他们要认真开始谈判。