- (用扣子)扣紧，扣住，扣上：
She always wore shoes that buckled.
她总是穿带扣子的鞋。
The officer buckled on his pistol.
那名军官把手枪别紧。
- 认真(或尽力)从事(通常与down连用)：
The pupil buckled to the lesson.
这名小学生认真做功课。
His wife buckled down to her housework.
他妻子埋头做家务。
to buckle down to work
开始认真工作
- (尤指因受热、受压等影响而)弯曲，变形，翘棱，翘起，起皱，鼓起，坍塌，塌陷，垮下：
The bridge buckled in the storm.
那座桥在暴风雨中塌陷了。
The walls of the building buckled during the fire.
大楼的墙壁在火灾中坍塌了。
- 屈服，屈降，屈从，让步；垮掉(常与under连用)：
He refused to take the medicine but buckled under when the doctor told him to.
他拒绝吃药，但医生告诉他要吃药时他屈从了。
to buckle under severe pressure
被沉重的压力压垮
- [废义]扭打，格斗，参与斗争