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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

Describing something, such as an opportunity, experience, or situation, that seems 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

of a lifetime

Used to describe something extremely important, enjoyable, or exceptional, especially that which isn't likely to occur again. They offered me the chance of a lifetime to travel the world and write about my experiences abroad. That tour around Europe really was the trip of a lifetime!
See also: lifetime, of

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 ?
Projected lifetimes in excess of 87 months, just one year greater than the stochastic mean, produce negative calculated settlement prices.
Put another way, for the 1,000 projected lifetimes underlying these results, more often than not the probabilistic price produced a rate of return lower than the discount rate used in its calculation.
H's lifetime exemption is used to eliminate W's estate tax liability.
This technique is valuable in that it maximizes both lifetime exemptions, maintains the desired cash flow, and substantially reduces or eliminates the estate tax liability.
Overall economy of production and utilization of the mold must be optimized - Every mold must be produced at the appropriate quality level to adequately serve its intended purpose - to reach its designed lifetime and produce castings of the required dimensions and metallurgical quality.
Predominantly used in jobbing foundries, iron molds have a typical lifetime of 40,000-50,000 castings, and are best suited for production runs that require single mold sets or few mold sets.
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.
As will be reported, Universal Display has developed device architectures to improve the luminous efficiency of its sky blue PHOLED material by 50%, to 30 cd/A, with 100,000 hours of operating lifetime at 200 cd/m(2).
37) now offers luminous efficiency of 20 candelas per ampere (cd/A) and 100,000 hours of operating lifetime at 200 candelas per square meter (cd/m2).
With the ability to pinpoint the mechanical wear, they can reengineer the products or make mechanical modifications that significantly increase motor lifetime and performance.
Moore with the industry's Lifetime Achievement Award, the SIA Board of Directors joins in thanking him for his lifelong record of innovation, service and leadership in an industry he himself defined as "an economic and cultural phenomenon, a crucial force at the heart of the modern world.
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.
The LifeTimes staff spent a year scouring craft shows, gift shows and even county fairs to find special gifts created by artisans and family-owned businesses that were well-priced, met quality standards and could be shipped internationally.
As one can see, the lifetime obtained from this data is substantially shorter than the presently accepted value of the neutron lifetime (885.