Definition
to falsely claim that something is a certain thing when it actually is not
假冒、冒充
He tried to pass his inferior product off as a high-end brand.
他试图将他的劣质产品冒充为高端品牌。
She passed herself off as an intern at the company to her friends' parents, even though she was just volunteering there.
她向朋友的父母假装自己是公司的实习生，尽管她只是在那里做志愿者。
The artworks were actually replicas, but he attempted to pass them off as originals.
这些艺术品实际上是复制品，但他试图将它们冒充为真品。