superimpose on

superimpose (someone or something) on(to) (someone or something

1. To lay, place, or position an image of someone or something onto another image of someone or something. We superimposed a picture of the Eiffel Tower on the moon. The actress is suing the tabloid for superimposing her face onto the body of an adult film star performing a sexual act.
2. To add or insert someone, oneself, or some element onto something else in an intangible or psychological manner. I was bedridden for most of my childhood, so I spent a lot of time superimposing myself onto the main characters of adventure and romance stories. You've got to be careful not to superimpose your own ideals and expectations on your kids' lives too much—you've got to let them figure things out for themselves.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

superimpose something on (to) someone or something

to cover an image of someone or something with an image of something. We superimposed a mustache onto Toby's face, and he looked just like the suspect. When we superimposed the mustache on him, we knew he was guilty.
See also: on, superimpose
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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