preach to

漢語翻譯

例句：

1. Telling conservationists that we need to preserve the natural heritage really is preaching to the converted!
   向自然資源保護論者宣講需要保護自然界遺產的道理，真是多此一舉。
2. You are in no position to preach to me about efficiency!
   你沒有資格對我大談什麽效率問題！