воображала(a legend in (one's) own mind: A person who affects or believes him- or herself to be of greater importance or notoriety than is actually the case. A humorous, ironic twist on the phrase "a legend in one's own lifetime." The assistant manager acts as if she's the only one keeping the company together. She's a regular legend in her own mind. thefreedictionary.comAlexander Demidov)
