knocker

• 指敲门的人或物，如门环、门锤；也指爱批评、贬低他人的人，或吹牛、自夸的人。

A noun referring to a person or thing that knocks, such as a door attachment for announcing arrival, a critic who disparages something, or a boastful individual, among other senses.

1. Door fittingB1formal

   A metal or ornamental device attached to a door by a hinge, used for knocking to gain entry.

   门环

   • The old house had a brass lion's head knocker on the front door.
   • She polished the door knocker until it shone.
   • He lifted the heavy knocker and let it fall three times.

2. B2formal

   A person who knocks, especially to gain admittance.

   敲门者

   • The knocker at the door turned out to be a delivery man.
   • Late-night knockers are often ignored in this neighborhood.
   • The persistent knocker would not leave until someone answered.

3. A critic or disparagerB2informal

   A person who criticizes or belittles the worth of something.

   批评者或贬低者

   • Don't be a knocker; try to see the positive side of things.
   • The project had its knockers, but it succeeded anyway.
   • He's a professional knocker who finds fault with everything.

   同义词criticdetractordisparagerfaultfinder

4. A boastful personC1informalamerican

   A person who is a big shot and acts that way; a boastful, immoderate person.

   自吹自擂的人

   • He's a real knocker, always bragging about his achievements.
   • The office knocker never misses a chance to show off.
   • She's a knocker who thinks she's better than everyone else.

   同义词big shotblowhardboasterbraggadociobraggartswaggerer

5. A breastC2slang

   Either of two soft, fleshy, milk-secreting glandular organs on the chest of a woman.

   乳房

   • The comedian made a crude joke about knockers.
   • That word is considered vulgar in polite conversation.
   • He used the slang term 'knockers' in a tasteless remark.

   同义词bust