faux pas 無作法

Many people refuse to wear white after Labor Day because it's a fashion faux pas.レイバーデーの翌日に白い服を着るのはファッション上よろしくないと多くの人が思っている。

https://thetylt.com/culture/is-it-okay-to-wear-white-after-labor-day
- Is it okay to wear white after Labor Day?