pass (yourself) off as (someone)

to pretend that you are someone else.

Maurice is trying to pass himself off as a journalist to get admitted to the press conference.

• cop a plea
• cop it sweet
• copper-bottomed
• cop some z's
• cordon bleu
• corner the market
• corridors of power
• cost an arm and a leg
• cost a pretty penny
• cost dear
• cost someone an arm and a leg
• cost someone a pretty penny
• cost someone dear
• cotton-picking
• cotton to
• cotton to someone
• cotton to something
• couch potato
• cough up
• cough up something
• could do something in sleep
• could do something in their sleep
• could do something standing on head
• could do something standing on your head
• could do something with eyes closed