adj.时尚的，风靡一时的，流行一时的

Wearing a faddish haircut, he believed he was the center of attention at the party.
他留着时兴的发型，自认为是派对上的焦点。
The faddish diet trend swept through social media, promising rapid weight loss but lacking scientific evidence.
那股流行一时的饮食潮流席卷了社交媒体，承诺快速减肥，但却缺乏科学依据。
Faddish clothing often loses its appeal within a season, making it a poor investment for those seeking timeless style.
流行的服装往往在一个季节内就失去了吸引力，对于追求永恒风格的人来说，这可不是一个好投资。
Celebrities endorsing faddish products can create a short-term sales boost, but the longevity of such products is questionable.
名人代言流行产品可能会带来短期的销售增长，但这些产品的持久性值得怀疑。
The faddish workout routine became so popular that gyms started offering special classes dedicated to it.
那套风靡一时的健身操变得非常受欢迎，以至于健身房开始专门开设相关课程。
Despite its initial hype, the faddish app was quickly replaced by newer, more innovative technologies.
尽管起初大肆宣传，这款流行的应用很快就被更新、更具创新性的技术所取代。
Faddish slang terms come and go, but the core vocabulary of a language remains relatively stable.
流行的俚语来去匆匆，但语言的核心词汇相对稳定。
The restaurant's menu featured several faddish dishes that were all the rage among food bloggers.
这家餐厅的菜单上列有几道在美食博主中大热的流行菜肴。
Investing in faddish tech gadgets might seem exciting, but they often become obsolete before their value is realized.
投资于流行科技小玩意可能看起来很刺激，但它们往往在实现其价值前就已过时。
Her love for faddish accessories often led her to spend beyond her means, accumulating a closet full of items she'd soon tire of.
她对流行配饰的喜爱常常让她超支，积累了一衣柜很快就会厌倦的物品。