a sledgehammer to crack a nut

a sledgehammer to crack a nut

BRITISH
If someone uses a sledgehammer to crack a nut, they use methods to solve a problem that are far more extreme than is necessary. The widespread campaign by the government to reduce childhood obesity is, she says, using a sledgehammer to crack a nut. Bankers say that the proposed law is a sledgehammer to crack a nut. Note: People sometimes replace sledgehammer with hammer. Robbins's film takes a large hammer to crack a familiar nut. Compare with be breaking a butterfly on a wheel. Note: A sledgehammer is a large heavy hammer which is used for smashing rocks and concrete.
See also: crack, nut, sledgehammer