silver bullet

American  

noun

1. a quick solution to a difficult problem.

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Etymology

Origin of silver bullet

First recorded in 1930–35; from the belief that supernatural beings, as werewolves, can be killed with a silver bullet

Example Sentences

In a letter to Sir Keir Starmer, the MPs, largely but not wholly from the left of the party, say the plans are "not a silver bullet" to reducing the backlog in trials.

From BBC

However, he added that Xi’s comments meant “those hoping for a silver bullet may be left waiting.”

From Barron's

“There’s no silver bullet, we need it all,” Wirth said at the conference, highlighting that the demand for oil, coal, as well as other energy sources are “higher than it is ever been.”

From The Wall Street Journal

There’s no silver bullet for finding out whether a wild mushroom is poisonous unless you know what species it is, said Rudy Diaz, president of the Los Angeles Mycological Society.

From Los Angeles Times

"What we've got to remember is it's not a silver bullet," Long says.

From BBC