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chance of a lifetime

An extremely important and/or fortuitous opportunity, especially one that is not likely to ever present itself again. Often (but not always) used hyperbolically. They offered me the chance of a lifetime to travel the world and write about my experiences abroad. Make sure you take advantage of our sale, it's a chance of a lifetime!
See also: chance, lifetime, of

a legend in (one's) own lifetime

A person who has an extraordinary level of fame or reputation while they are still alive. The singer has made such a huge impact on the world of blues that she's come to be a legend in her own lifetime.
See also: legend, lifetime, own

Why break the habit of a lifetime?

A rhetorical question expressing doubt that someone will change their bad habit. Typically said after that person has announced their intention to stop such a habit. A: "That's it. That's my last cigarette." B: "Why break the habit of a lifetime?"
See also: break, habit, of, why

once in a lifetime

A hyperbolic phrase used to describe things or situations that seem unlikely to happen again. You have to take this job in the Zurich office—it's a once in a lifetime opportunity to live in Switzerland.
See also: lifetime, once

once-in-a-lifetime chance

 and once-in-a-lifetime opportunity
a chance that will never occur again in one's lifetime. This is a once-in-a-lifetime chance. Don't miss it. She offered me a once-in-a-lifetime opportunity, but I turned it down.
See also: chance

once in a lifetime

Extremely rare, especially as an opportunity. For example, An offer like that will come just once in a lifetime. This phrase, often used hyperbolically, was first recorded in 1854. Also see of one's life.
See also: lifetime, once

a legend in their own lifetime

a very famous or notorious person.
See also: legend, lifetime, own

of a lifetime

(of a chance or experience) such as does not occur more than once in a person's life; exceptional.
See also: lifetime, of

the chance, etc. of a ˈlifetime

a wonderful opportunity, etc. that you are not likely to get again: This is your chance to win the trip of a lifetime!
See also: lifetime, of
References in periodicals archive ?
6] was assumed but this value and the associated model of a potential-step wall affect only the calculated storage lifetimes but have very little influence on quantities like collision rate or trap loading/emptying time constants.
5] ensures that the extrapolation from measured storage lifetimes to the lifetime for [beta]-decay is almost exactly linear and therefore reliable.
With the ability to pinpoint the mechanical wear, they can reengineer the products or make mechanical modifications that significantly increase motor lifetime and performance.
Not only are the projection lamps the weak link in determining system lifetime, but the current purchase price of the lamp and power supply cannot meet the system budget for a consumer product.
But the extension of light valve projection into consumer monitors and television demands not only a low priced lamp, but also one with a much longer lifetime.
Lifetime Possibilities" can also be thought of as showing the distribution of lifetimes that might occur in a portfolio of life settled cases where all of the insureds are identical to the illustrated insured.
The broad range of stochastic prices is the consequence of the broad range of likely lifetimes and the fact that the present value of cash flows decreases rapidly as lifetime until death increases.
Significant research has been performed to determine the lifetime and archival stability of magnetic media.
Even with a relatively high usage rate, media lifetime ranges are projected in decades, which is significantly longer than what has been seen historically in the hardware and software technologies used to run them.
Maximizing cash flow to the surviving spouse during her lifetime.
This entitles W to plan distributions during her lifetime if H predeceases her.
Also, anecdotal evidence of the number of shots a mold provides in its lifetime may have shown fewer numbers for cast tooling than forged tooling.
The belief that billets provide a longer lifetime over cast tooling, however, is skewed.
NVESD and eMagin co-developed an initial usable lifetime model for a joint paper presented at SPIE Defense and Security Conference in March 2005.
We present a progress report on an experimental program to improve the measurement of the neutron lifetime, [[tau].