several years
ええ何年かなぜここへ?
Yes—how many years? Why are you here?
— Carandiru (2003)
何年かしたら、その考えが間違っていたって思うかもよ。
In a few years, you might realize that you were wrong.
オーストラリアで何年か働いてたんでしょ?
You worked in Australia for a few years, right?
彼らはスペインに何年か住んだ。
They lived in Spain for several years.
今年は何年か知っておるか?
Do you know what year it is this year?
— さらば、わが愛/覇王別姫 (1993)
ここ何年か、彼らと話をしてない
I haven't spoken to them in several years.
— アメリカン・ギャングスター (2007)