behind the times
01
時代遅れ, 古くさい
(of a person) not keeping up with current trends, ideas, or advancements
非難的
慣用句
例
He is behind the times when it comes to technology.
テクノロジーのことになると、彼は時代遅れだ。
02
(of a thing) outdated or no longer relevant to current trends or technology
慣用句
くだけた
例
His choice of music shows that he is behind the times, still listening to artists from decades ago.
