Fifth wheel
n. 多余的事物或人
🧩 词语组成解析
wheel
[wil]
n. 轮子;旋转;Wheels 汽车;有…轮子的汽车（或自行车等）;
vi. 转动，旋转;突然转变方向;
vt. 推;拉（车）;使变换方向;（使）迅速转身;
🗣️ 情景例句
In view of our longstanding business relationship, we can conclude the transaction.
鉴于你我双方的长期贸易关系，我们可以做成这笔交易。
The adventure had been planned for quite a while.
那项冒险曾经作了长期的周详计划。
Good. But we need some more. Uncle Wang is coming to supper.
好的。但我还要更多点。王伯伯今天来吃晚饭。