| 单词 | scratch someone's back |
| 释义 | scratch someone's back informal : to do something that helps someone else but that is often wrong or difficult to do帮助某人（指提供不当或难以做到的帮助） You scratch my back, and I'll scratch yours. [=if you do something to help me, I'll do something to help you]你帮我，我就帮你。 scratch |
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