knocker

n. 敲擊者(或物)、敲門者、門環

開錘

學術名詞

• 敲擊器：獸醫學

英文釋義

1. (Yiddish) a big shot who knows it and acts that way; a boastful immoderate person
2. a person who knocks (as seeking to gain admittance)
3. one who disparages or belittles the worth of something
4. either of two soft fleshy milk-secreting glandular organs on the chest of a woman