buckle

• 一个有两个主要义项的名词：连接皮带或带子两端的扣件，通常带有可活动的扣针；或因扭曲或折叠而形成的变形、弯曲。

A noun with two primary meanings: a fastener used to join two ends of a belt or strap, often featuring a movable prong; or a shape that has been distorted by twisting or folding.

1. Fastener for a belt or strapA2formal

   A device, typically made of metal or plastic, used to join the ends of a belt or strap, often featuring a movable prong that fits into a hole.

   带扣

   • He tightened the buckle on his leather belt.
   • The strap's buckle was made of polished brass.
   • She fastened the buckle of her backpack securely.

   同义词catchclaspclipclosurefastenerhasp

2. A bend or kinkB2formal

   A shape that is distorted by being bent, twisted, or folded, often as a result of pressure or weakness.

   弯曲或变形

   • The metal pipe had a buckle from the heavy weight.
   • A buckle appeared in the road after the earthquake.
   • The paper had a buckle where it had been folded.

   同义词bendcreasedistortionfoldkinkwrinkle

• 动词，表示扣上扣子或带扣（用皮带扣等固定），弯曲或受压变形，也指振作起来着手做事（如 buckle down）。

A verb used to indicate the act of fastening a buckle or bending under pressure, or to prepare for something (e.g., buckle down).

1. Fasten with a buckleA2formal

   To close or secure something using a buckle or similar fastener.

   扣上

   • She buckled her seatbelt before the car started.
   • He buckled the straps of his backpack tightly.
   • Make sure to buckle your shoes before you go out.

   同义词claspfastenhooksecurestrap

   反义词loosenunbuckleunfasten

2. Fold or collapseB2formal

   To bend, warp, or give way under pressure or strain.

   弯曲或塌陷

   • The bridge buckled under the weight of the heavy truck.
   • His knees buckled when he heard the shocking news.
   • The metal frame buckled from the intense heat of the fire.

   同义词bendcave incollapsecrumpledistortgive waysagtwistwarpyield

   反义词endurestiffenstraightenwithstand

3. Bend out of shapeB2formal

   To become distorted or misshapen due to heat, pressure, or force.

   变形

   • The plastic container buckled in the microwave.
   • The pavement buckled during the summer heatwave.
   • The old book's spine buckled from years of use.

   同义词bendcontortcrumpledeformdistorttwistwarpwrinkle

   反义词flattenlevelstraighten

短语动词变体buckle downbuckle under