"Dead-ringer" Natural Recordings by Native Speakers
A dead-ringer is a person who is so similar in appearance to someone else, especially a famous or well-known person, that they could easily be mistaken for that person. This phrase is often used to describe an actor or impersonator who closely resembles a particular celebrity or public figure. (Idiomatic expression)
Deactivation is the act of making something inactive or inoperable, often temporarily or permanently. It can refer to the removal of power or functionality from a device, machine, or system, or the cancellation or termination of a process, program, or activity. In some cases, deactivation can also refer to the reversal or undoing of an activation or activation process.