The phrase "achieved for years" is correct and usable in written English.
It can be used to indicate that something has been accomplished or reached over a period of several years.
Example: "The organization has achieved for years a reputation for excellence in customer service."
Alternatives: "accomplished over the years" or "attained for many years."
This is the goal that the technique known as Electronic Data Interchange has struggled, unsuccessfully, to achieve for years.
Like Stewart, Urry thinks Handelsman's study might catalyze the changes she has been agitating to achieve for years.
Eighteen years after its original launch, it seems the summer-school initiative is reaping the kind of dividends social mobility campaigners have been wanting to achieve for years.
In March, private-sector payrolls surpassed their pre-crisis peak, a feat the euro area seems unlikely to achieve for years.
And Turkey's education minister, Nabi Avci, observed on Monday that the government had done what the secular opposition parties had not been able to achieve for years: within five days, the police crackdown brought together masses who had been incapable of uniting against the government.
Mr Xi said a slowing of the pace of growth would help China rebalance its economy towards a domestic consumption-led model rather than an export-driven model, something it has been trying to achieve for years.
Lea Michele has accomplished a feat journalists have tried and failed to achieve for years: confirming whether Taylor Swift's 2010 ballad "Back to December" is, in fact, about ex-boyfriend Taylor Lautner. .
"We were able to reach a semi-final which we haven't achieved for many years," said 26-year-old Higuain.
However, progress can be glacially slow: I attended the kick-off meeting of the TB Alliance in Cape Town early in 2000, when the target of licensing one new antibiotic to treat tuberculosis within five years was set; in reality, that target was not achieved for 13 years.
