rusted

• 形容金属物体表面生锈或长满锈的；也比喻技能、能力因长期不用而生疏、退化。

Describes an object, typically metal, that has been affected by rust, or a skill that has become impaired due to lack of practice.

1. Covered with rustB1formal

   Describing a metal object that has become corroded due to oxidation, typically from exposure to moisture.

   生锈的

   • The old gate was completely rusted and wouldn't open.
   • He threw away the rusted tools from the shed.
   • The rusted car sat abandoned in the field for years.

   同义词corrodedoxidizedrusty

   反义词gleamingpolishedshiny

2. Impaired by neglectB2informal

   Describing a skill or ability that has deteriorated due to lack of use or practice.

   荒废的

   • My French is a bit rusted since I haven't spoken it in years.
   • His guitar playing is rusted after not practicing for months.
   • Her math skills are rusted from lack of use.

   同义词atrophiedout of practicerustystaleunpracticedweakened

• 动词，指铁或钢在潮湿空气作用下表面形成红棕色氧化层的过程，也指因闲置或疏于照料而逐渐损坏、变质。

A verb used to indicate the process of forming a reddish-brown oxide coating on iron or steel due to exposure to moisture and air, or to deteriorate or become impaired through lack of use or neglect.

1. Form rustB1formal

   To become covered with a reddish-brown layer of iron oxide due to exposure to moisture and air.

   生锈

   • The old gate began to rust after years of rain.
   • If you leave the tools outside, they will rust quickly.
   • The metal pipes rusted because of the humidity.

   同义词corrodetarnish

2. Deteriorate or declineB2informal

   To become less effective or skilled due to lack of use or practice.

   荒废

   • His French has rusted since he stopped practicing.
   • My programming skills have rusted over the years.
   • Don't let your talents rust away.

   同义词atrophydecaydeclinedeteriorateerodelanguishstagnatewither

   反义词honeimprovepolishrefinesharpen