beat a dead horse
美
英
- 网络白费口舌；白费力气；炒冷饭
un. | 1. to pursue a topic or course of action that is likely to be totally unproductive 2. to waste time on something that you know is not going to happen |
| 单词 | beat a dead horse | ||
| 释义 | beat a dead horse美 英
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