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

Though the effect was strong, platelet factor 4 won't be a silver bullet that reverses the aging of all tissues and prolongs the lifespan of elderly human patients alone, Pinho said.

From Science Daily

"There is no silver bullet to it, it is more medium to long term what we need to look at with our squad," said coach Jason Gilmore after a sixth defeat in eight league games.

From BBC

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