wildfire

1. N-COUNT A wildfire is a fire that starts, usually by itself, in a wild area such as a forest, and spreads rapidly, causing great damage. 野火

...a wildfire in Montana that's already burned thousands of acres of rich grassland. ...已經燒燬幾千英畝肥沃草地的矇大拿州野火。

2. PHRASE If something, especially news or a rumour, spreads like wildfire, it spreads extremely quickly. (尤指消息或謠言) 快速傳播

These stories are spreading like wildfire through the city. 這些故事正迅速傳遍整座城市。