many years

基本解释

She outlived her son by many years.
她比她儿子还多活了好几年。
He has born intense moral suffering for many years.
他多年来忍受了极大的精神上的煎熬。
《新英汉大辞典》
He pursued his hobby of collecting old almanacs for so many years.
多年来他一直保持着收集旧历书的嗜好。
《新英汉大辞典》

It probably comes from an expression used for many years by people who fix parts of cars and trucks.
He wants to know if they are the same men who so callously broke their father's heart by selling Joseph, his father's favorite, so many years ago.
他想知道他们是否还是老样子,就像他们曾经卖了约瑟夫，伤了他们父亲的心，多年前，约瑟夫最受父亲宠爱。
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I think that many years ago, in the early 90s or 80s, or the 70s even, it was a very dangerous city.
我想很多年以前的八九十年代或者甚至七十年代，它是一个非常危险的城市。
在上西区 - SpeakingMax英语口语达人

But they will need more patience — these cases typically take many years to resolve.
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