预告yùgào 1.事先通告{announce in advance; herald}: 这场大雪～了来年农业的丰收。{The big snowfall heralded good agricultural harvests for next year.} 2.事先的通告(多用于戏剧演出、图书出版等{oft. used in theatrical announcements, publications, etc.}){advance notice}: 新书～{notice of forthcoming books; publication notice}|电视节目～。{TV programme notice}