Yap.Town

数年間

several years, a number of years

数 number, amount, quantity + 年 year + 間 between, among
noun Rare #35,406
several years, a number of years
JA: 数年間、日本語を勉強しています。
EN: I have been studying Japanese for several years.

数年間辛抱しなさい

Be patient for several years.

— तुम्बाड (2018)

トムはまたフランス語を数年間勉強していた。

Tom had also studied French for several years.

その後数年間では？

What about the next few years?

— オッペンハイマー (2023)

彼はこの数年間ずっと身体の具合が良くない。

He hasn't been feeling well for the past several years.

phrase Rare #40,668
several years Indicates a period lasting several years. It can describe either an ongoing duration or a period in the past, and can be followed by の when modifying a noun.
JA: 彼は数年間この町に住んでいました。
EN: He lived in this town for several years.

ここ数年間英語で日記を付けてきたの。

I've been keeping a diary in English for the past few years.

彼女は数年間フランス語を勉強している。

She has been studying French for several years.

その数年間に次々と王位が継承された。

The throne changed hands one after another during those years.

この発明は数年間の忍耐強い実験の結果であった。

This invention was the result of several years of patient experimentation.