[英语成语] SPIN YOUR WHEELS. — 学习常用英语成语：如何避免努力白费

徒劳无功。

使用“Spin your wheels”来形容那些做了很多努力但却没有取得任何实质性进展的情况。就像车轮不断旋转却始终无法前进一样。

示例句子

1. I'm just spinning my wheels trying to figure this out.

   我只是徒劳无功地试图弄明白这一点。

2. She felt like she was spinning her wheels at her job.

   她觉得在工作中徒劳无功。

3. After hours of studying without progress, I knew I was just spinning my wheels.

   经过几个小时的学习却毫无进展后，我知道我只是在徒劳无功。