preach to sb. about /against /on sth. (在教堂中)讲经,布道
preach sth. to sb. ①宣扬(教义或教条);②教导某事物;③唠叨的说教
His father often goes to church to preach to people on Sundays.
他的父亲经常周末去教堂布道。
She hates her mother preaches to her all the day.
她讨厌她妈妈整天唠唠叨叨。