a style , activity or interest which is very popular for a short period of time
发音
例句
1. His interest in photography is only a passing fad. 他对摄影的兴趣只是一时的爱好罢了。 2. A hot business opportunity is based on a long-term trend not a short-lived fad. 一个热门的商机指的是长期的趋势而非一时的流行。