Examples:

• To suggest survey for a minute disease is like killing a fly with an elephant gun.
• Look, you've got some money issues, sure, but filing for bankruptcy would be killing a fly with an elephant gun.
• Don't stop doing something you love merely because it makes someone angry for no reason; it is like killing a fly with an elephant gun.
• To stop playing games after getting a minor hurt in the leg is like killing a fly with an elephant gun.
• Doctors often prescribe antibiotics even for minor ailments. They’re trying to kill a fly with an elephant gun.
• The authorities cancelled the programme merely for misbehaviour of an individual; they seemed to kill a fly with an elephant gun.
• Trying to solve a simple math problem with a calculator.
• Using a sledgehammer to crack a nut.
• Hiring a lawyer to negotiate a minor dispute.
• Using a bulldozer to clear a small patch of weeds.
• Sending a SWAT team to arrest a petty thief.
• Using a flamethrower to light a candle.
• Using a bazooka to shoot a mosquito.
• Writing a 10-page essay for a 5-minute presentation.
• Using a whole bottle of ketchup for a single fry.
• Sending a helicopter to rescue a lost cat.
• Using a blowtorch to melt butter.
• Using a chainsaw to cut a piece of string.
• Using a rocket launcher to launch a paper airplane.
• Using a forklift to move a small box.
• Using a crane to lift a feather.
• Using a tank to crush a bug.
• Using a cannon to shoot a bird.
• Using a bomb to blow up a balloon.
• Using a nuclear weapon to destroy a termite mound.
• Using a mountain climber's gear to climb a tree.