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Idiom of the week – a smoking gun

Posted by englishlessons on February 15, 2012


definite proof of who is responsible for something or how something really happened


This email was a smoking gun. It proved that he started it.
We can’t find any clear evidence in this case. There doesn’t seem to be a smoking gun.

Picture it:

Before the invention of smokeless gunpowder, smoke coming from a gun or the smell of smoke on a gun showed that it had recently been fired. Programs:

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