Como dizer "se passar por alguém" em inglês?
Ex: Ele se passou por mendigo.
Ex: Ela se passou por médico.

Question

Answer

"pass someone/something off as something"
She passed herself off off as a doctor
She passed herself off as a homeless person

https://dictionary.cambridge.org/us/dictionary/english/pass-someone-something-off-as-something

Answer

Algo como...

She pretended she was homeless
She pretended she was a doctor

or

She impersonated...