Definition
A special event or festival focused on a specific activity, theme, or product, where people gather to enjoy and celebrate it.
（啤酒、电影、爵士音乐等的）节庆
The city holds a large beer fest every year.
这个城市每年都会举办一场盛大的啤酒节。
Next month, we are going to attend an independent film fest.
下个月，我们要去参加一个独立电影节。
This weekend we have a lively jazz fest in the park.
这个周末，公园里有一场热闹的爵士音乐节。