Richard Spears-McGraw-Hill's Essential American Idioms-McGraw-Hill

Richard Spears-McGraw-Hill's Essential American Idioms-McGraw-Hill

https://yadi.sk/i/juuFSZ2a3KyypN 

"backfire on so Fig. [for something, such as a plot] to fail unexpectedly;

to fail with an undesired result. (Fig. on the image of

an explosion coming out of the breech of a firearm, harming the

person shooting rather than the target.) I was afraid that my

scheme would backfire on me."