1·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。
—— 《柯林斯英汉双解大词典》
2·As soon as he touched the knocker, it became an eel and wiggled away into the darkness.
他一碰到门环，它就变成了一条鳗鱼，在黑暗中扭动着消失了。
3·They were very ashamed, but Tootles gave the sole of his shoe, and it made an excellent knocker.
他们感到非常羞愧，但是嘟嘟士把他的鞋底贡献出来，做成了一个很好的门环。
4·What you long to know about a house when you put your hand on the knocker.
当你把手放到门环上时，你能有这般了解一整座屋子吗？
5·Creighton was going along a square when he saw a little boy trying to reach the knocker of a large house.
当克莱顿教授沿着一个广场走着的时候，他看见一个小家伙正试图抓住一所大房子的门环。