knocker

🇬🇧/ˈnɒkə(r)/ 🇺🇸/ˈnɑːkər/ 10
A knocker is a piece of metal on the front door of a building, which you use to hit the door in order to attract the attention of the people inside. 门环

noun [专属名词]门环;敲击者;吹毛求疵的人

I felt loath to sully the gleaming brass knocker by handling it.
我不愿意用手去抓那个闪亮的黄铜门环以免把它弄脏。

单词造句:
网友用“Knocker”造句精选
If the knocker is gone, I can still use my feet. 如果门环没了,我还可以用我的脚。