third wheel

1. 1.

   A person or thing that serves no useful purpose.

   没有用处的人或物。

2. 2.

   A third party, usually unwanted, accompanying two people on a date.

   陪伴两人约会、通常不受欢迎的第三者。

3. 3.

   Used other than figuratively or idiomatically: see third, wheel.

   非比喻或习语用法:参见 third, wheel。

陪伴两人约会、通常不受欢迎的第三者。；非比喻或习语用法:参见 third, wheel。；三轮; 接轮; 中间轮; 钟表过轮

Connections

Learner notes