strike lucky meaning in Hindi

Examples

1. Whatever happens this year, Felicity will strike lucky again.
2. There's good stuff to be found down there, and good profit if we strike lucky.
3. Much to his surprise, Calvert indeed strikes lucky, finding a virtually intact memory core with the first-ever images of the reason for the Laymil racial suicide.
4. "We've seen some good thunderstorms, but we're yet to strike lucky on a tornado, " said Steve Wakeham, a meteorologist on the tour from Norfolk, England.
5. I will give you a for instance : if you forgot the name of Lee and Herring's television show, would you type in a list of random words hoping to strike lucky, or would you type in, err, Lee and Herring?