fad

一時的流行、風潮、熱潮

Bubble tea shops were just a fad in that neighborhood.

珍珠奶茶店在那一帶只是一時的流行。

一時的狂熱、短暫的嗜好

Collecting stamps was a childhood fad he soon outgrew.

集郵是他小時候一時的狂熱，很快就沒興趣了。

流行一時的、趕時髦的限定用法

Most fad diets fail because nobody can follow them long.

多數流行一時的減肥法都會失敗，因為沒人撐得久。