secret weapon

Marijuana legalization activists have a secret weapon: moms.

“Photography turned out to be the secret weapon in his revolutionary landscape paintings,” the adjacent wall text states.

Since hangovers stem from lack of hydration, water is the secret weapon.

But Tokyo residents have one secret weapon: natural hot springs.

As Ford had realized, however, her intelligence was her secret weapon.

Duplay would win without using his secret weapon, if he could.

The cigar was his protection, his secret weapon, against the claustrophobia the mosquitero gave him.

I reminded myself that it was Pop's business to play up to the both of us, charm being the secret weapon of all scroungers.

Corisande, wouldn't it be much simpler if we just destroyed your uncle's secret weapon?

At the mention of "secret weapon," the entire General Staff, excepting Fyfe, creaked forward in their seats with eager interest.