out of fashion
US /aʊt əv ˈfæʃən/
UK /aʊt əv ˈfæʃən/

1.
过时, 不流行
no longer popular or in style
:
•
Those bell-bottom jeans are completely out of fashion now.
那些喇叭裤现在完全过时了。
•
His ideas are a bit out of fashion for modern business practices.
他的想法对于现代商业实践来说有点过时了。