这种烹饪方式现在很不流行。

This kind of cooking is very ___unfashionable now.

我认为博物馆作为一种了解或展示事物的方式变得有点过时了。

I think that museums became a little bit ___unfashionable as a way of knowing or showing something.

穿这样不时髦的衣服可能会让你以负面方式突出。

Wearing such ___unfashionable clothes might make you stand out in a negative way.