Spin one's wheels
白费力气却毫无进展，形容努力无效或陷入停滞。
用于描述工作或努力陷入僵局，没有实际成效。
英文释义
Expel much effort for little gain.
例句
He's been spinning his wheels on this project for weeks without any results.
典故来源
源自汽车在泥泞或雪地中车轮空转无法前进的现象，比喻徒劳无功。