名詞 preaching:

1. an address of a religious nature (usually delivered during a church service)
   同義詞：sermon, discourse
2. a moralistic rebuke
   同義詞：sermon

動詞 preach:

1. deliver a sermon
   同義詞：preach, prophesy
2. speak, plead, or argue in favour of
   同義詞：preach, advocate

1. Telling conservationists that we need to preserve the natural heritage really is preaching to the converted!
   向自然資源保護(hù)論者宣講需要保護(hù)自然界遺產(chǎn)的道理，真是多此一舉。
2. He was always preaching the virtues of capitalism.
   他總是宣傳資本主義的長處。
3. Those people go around preaching revolution.
   那些人到處宣揚(yáng)革命。
4. He's always preaching at others.
   他總是喜歡向別人說教。
5. I am weary of his preaching.
   我聽膩了他的說教。