pre字首的單詞是什麼意思?

　　You're preaching at me again!

　　你又在對我說教了！

　　He would not listen to a conqueror preaching to the conquered.

　　他不願聽一個征服者對被征服者說教。

　　Health experts are now preaching that even a little exercise is far better than none at all

　　現在健康專家都在宣揚，即使是少量的運動也遠比根本不運動好得多。

　　Mellors was preaching heresy and had to be immediately defrocked.

　　梅勒斯宣揚異端邪說，不得不立即免去其聖職。

　　The man was preaching the gospel.

　　此人在傳佈福音。