A metal clasp with a device for fastening, the ends of two straps or of the same strap.

扣子；扣环。

A similar ornament for a dress, a hat, etc.

衣钮；帽扣。

To fasten with a buckle; join together.

把...扣住；接合。

To apply (oneself) with energy.

努力从事。

To bend or wrap.

使弯曲；弄弯。

To be held together by means of a buckle.

扣住。

To set to work energetically.

奋斗。

To bend; wrap; collapse.

弯曲；倒塌。

A bend or kink in a piece of metal, as in a saw blade.

金属物之卷曲(如锯条、锯片用钝而造成)。