n.搭扣，(皮带等的)锁扣
v.(使)搭扣扣住，(被)压垮，双腿发软

原形：buckle第三人称单数：buckles复数：buckles过去式：buckled过去分词：buckled现在分词：buckling

Eric unfastened the belt buckle.
埃里克解开皮带搭扣。
Tom finally buckled under the excessive demands of the jobs.
汤姆最终被过量的工作压垮了。
He had to buckle his seatbelt before the plane took off.
飞机起飞前，他不得不系紧安全带。
The weight of the snow caused the roof to buckle.
雪的重量使屋顶变形。
She managed to buckle her shoes despite her injured hand.
尽管手受伤了，她还是设法扣上了鞋扣。
The company's profits have buckled under the pressure of increased competition.
公司的利润在激烈竞争的压力下大幅下降。
He had to buckle down and study if he wanted to pass the exam.
如果他想通过考试，就必须静下心来学习。
The old bridge couldn't withstand the storm and began to buckle.
这座旧桥经不起风暴的袭击，开始扭曲变形。
She buckled the strap of her backpack securely before setting off on the hike.
出发远足前，她把背包的带子牢牢地扣好。
The economic crisis caused many small businesses to buckle and close.
经济危机导致许多小企业倒闭。
He accidentally buckled the wrong pair of pants, realizing it only after arriving at work.
他不小心扣错了裤子，到上班时才发现。
The athlete had to buckle his focus onto the final lap of the race.
这位运动员必须全神贯注于比赛的最后一圈。