preach to the converted
基本解釋
- 對已持有相同觀點的人作宣傳
英漢例句
- You needn't bother telling us how recycling helps the environment, because you're preaching to the converted. 你不必費口舌告訴我們回收利用對環(huán)境有什么好處,因為我們早就知道了。
英英字典
- to try to persuade people to believe things that they already believe