ph.

1. Since my girlfriend didn't come, I was a fifth wheel at the party.
因为我女友没有来，我在舞会上成为多余之人。

2. We decided to fire that worker, he was just a fifth wheel.
我们决定开除那个工人，他不过是个多余无用之人。

1. (多余的人或物)：38.Fat cat 有钱人 | 39.Fifth-wheel 多余的人或物 | 40.fifty-fifty 平均地

2. 第五轮：fifth industry 第五产业 | fifth wheel 第五轮 | fifty-fifty law 对半法令

3. 多余人：Fifth Columnist 第五纵队队员 | fifth wheel 多余人 | fifth 第五的

4. 多余物：483.fifty-fifty 平分 | 484.fifth wheel 多余物 | 485.field trip 实地考察

noun

1. a steering bearing that enables the front axle of a horse-drawn wagon to rotate

2. an extra car wheel and tire for a four-wheel vehicle

Synonym: spare

3. someone or something that is unwanted and unneeded

Synonym: deadwood