英英释义：to be a sign of something that is going to come or happen soon
“herald”可以作名词也可以作及物动词。它作名词的意思是“预兆、先兆”，旧时也作“传令官”。
“herald”作及物动词，意思是“预示着、宣告、预示...的开始”，是我们今天的学习重点。这个词略有难度，多用作书面语，比较适合中高阶学习者。
我们可以用这个词来替换 signal 和 indicate
sentence
1. A flash of lightning heralds torrential rain.
2. Emperor Akihito's abdication heralded a new era--Reiwa.
3. The breakdown of China-US trade negotiation heralded a volatile stock market.
4. Uber’s listing and a new stock exchange may herald change.
5. Lori Lightfoot won a run-off election to become Chicago’s mayor, and will be the first black woman and gay person to hold the office. Her victory could herald a change in Chicago’s machine politics.
6. One lesson after previous decades of high migration ended is that it can herald a period when existing migrants—and, importantly, their American-born children—integrate successfully.
practice
特蕾莎•梅（Theresa May）的辞职预示着英国政治的新篇章。
The resignation of Theresa May heralds a new era of British politics.
参考翻译：Theresa May's resignation heralded a new era in British politics. 或 Theresa May stepped down as prime minister, which heralded a new chapter in British politics.
