preach to the choir片語KK [pritʃ tu ðə ˋkwaɪɚ] /pɹitʃ tu ðə ˈkwaɪɚ/發音片語1對已認同者說教、白費唇舌、多此一舉Telling this audience to read more is preaching to the choir.叫這群聽眾多讀書,根本是對已認同者說教。2深有同感、不用你說口語You're preaching to the choir; I've said the same thing for years.你不用說了,我深有同感,這話我講了好幾年。