n.[C]

1. （旧时君主的）传令官
2. 报信者，使者
3. 先驱，预报者[（+of）]
   In England the cuckoo is the herald of Spring.

   在英国杜鹃鸟预示春天的来临。

vt.

1. 宣布，通报
2. 预示……的来临
   His rise to power heralded the end of the liberal era.

   他的掌权预示着自由主义时代的结束。

n.

1. an official employed to oversee state ceremonial and the use of armorial bearings, and (historically) to make proclamations, carry official messages, and oversee tournaments.
   ▸(in the UK) an official of the College of Arms ranking above a pursuivant.
2. a person or thing viewed as a sign that something is about to happen:
   primroses are the herald of spring.
3. a brown moth with dull orange markings. [Scoliopteryx libatrix.]

v.

1. signal the imminence of.
2. acclaim.