Silver bullet

There is no silver bullet for this problem. It will take hard work and long hours to fix.

Source: wiktionary

Colin H. Kahl, the under secretary of defense for policy, acknowledged last week that “no one capability is a silver bullet,” but said the cluster munitions would allow Ukraine “to sustain the artillery fight for the foreseeable future.”

Source: wiktionary

The Martini is nicknamed “the silver bullet” because of its supposedly lethal properties.

Source: wiktionary

For a classic silver bullet martini, you simply need to choose your poison—gin or vodka—and add dry vermouth and olives. For the more complex concoctions, you'll want to stock up on flavored vodkas, juices, garnishes, and liqueurs.

Source: wiktionary