harbinger

n.
1. officer sent in advance of an army or royal retinueto find lodging and provisions （为军队或王室一行打前站安排食宿的）先行官。
△Mac.1.4.45: “I'll be myself theharbinger,and make joyful / The hearing of my wifewith your approach；”让我自己去做先行者，把御驾来临的消息告诉我的妻子，也叫她欢喜一场。
2. herald,messenger,forerunner 使者，信使，先驱。
△Ham.1.1.122: “As harbingers preceding still (=always) the fates”，作为命运女神的信使。
△Mac.5.6.10: “Those clamorous harbingers of blood and death.”它们是（敌人）流血和死亡的预告者。
△Com. 3.2.12: “Ap-parel vice like virtue's harbinger；”要把罪恶打扮成为美德的先锋。

harbinger[ˈhɑ:bindӠə]

n.先驱，前驱，前兆/v. 预兆（告），当先驱
‖ harbinger-of-spring报春花