behind the times
US /bɪˈhaɪnd ðə taɪmz/
UK /bɪˈhaɪnd ðə taɪmz/

成語
1.
落伍, 過時
old-fashioned; not modern or current
範例:
•
My grandfather is a bit behind the times when it comes to technology.
我爺爺在科技方面有點落伍。
•
Their business practices are so behind the times that they're losing customers.
他們的商業慣例太落伍了,以至於他們正在失去客戶。
在 Lingoland 學習這個單詞