Definition (兴趣)
A temporary interest or liking for something, often not serious or lasting.
一时的迷恋
His interest in photography seems to have been just a passing fancy.
他对摄影的兴趣似乎只是一时的迷恋。
She thought it was just a passing fancy, but they ended up getting married.
她以为这只是一时的迷恋，但他们最后结婚了。
I hope this passion for painting is more than just a passing fancy.
我希望这份对绘画的热情不仅仅是一时的迷恋。