wear a wire

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wear a wire

To wear a concealed electronic device (traditionally involving wires taped to one's body) in order to record private conversations. The FBI want me to wear a wire and incriminate my bosses. If they discover that he's wearing a wire, they'll have him killed!
See also: wear, wire
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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