英语词汇“To sing for them is to cast pearls before swine”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	To sing for them is to cast pearls before swine
释义	To sing for them is to cast pearls before swine. 为他们唱歌真是犹如对牛弹琴。
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