数十年

すうじゅうねん

few decades, many decades, several decades

十年一昔

じゅうねんひとむかし じゅうねんいちむかし

expression suggesting that the pace of change makes ten years back seem like ancient history

十年一日

じゅうねんいちじつ じゅうねんいちにち

without intermission for ten (long) years, with constancy of purpose for ten (long) years, in the same old rut for years on end

十年選手

じゅうねんせんしゅ

veteran player; experienced player

五十年祭

ごじゅうねんさい

jubilee, semicentennial

遺恨十年

いこんじゅうねん

grudge of ten years' standing, harbouring a grudge for many years

幕内十年

まくうちじゅうねん

10 year career in the highest division is enough for anyone

三十年戦争

さんじゅうねんせんそう

the Thirty Years' War

人生僅か五十年

じんせいわずかごじゅうねん

Life is short

十箇年

じゅうかねん

decennial

十五年戦争

じゅうごねんせんそう

Fifteen Years' War (starting with the Manchurian Incident in 1931 and ending with the Japanese surrender in 1945)

十

シー じゅう とお と

ten

十人十色

じゅうにんといろ

Several men, several minds, everyone has his own ideas and tastes, everyone has his own interests and ideas, different strokes for different folks

十月十日

とつきとおか

babies born on October 10, supposedly conceived on New Year's Day

明治十四年の政変

めいじじゅうよねんのせいへん

the failed Meiji-14 coup of 1881

年が年

としがとし

considering this age

年

とし ねん とせ

(とし) year

十重二十重

とえはたえ

multitude

明治二十七八年戦役

めいじにじゅうしちはちねんせんえき

Meiji 27-28 Campaign (alternate name for the First Sino-Japanese war; 1894-1895)