5Depending on the context, can you determine what 'as-if' means?
You have provided the clear context yourself, in red.
At the party : That guy over there looks very intelligent, He's got broad knowledge of medicine and other areas as well, but I don't know what he does. He talks as if he were a doctor......
My friend Jim is a swindler, He always lies to girls to allure them, and the best weapon he uses is pretending to be a doctor making lots of money. So whenever he meets with girls, he talks as if he were a doctor....
Student or Learner