I have joined English language classes to speak in a better way and to appear educated in front of people. In the book, AA to Z; An Addictionary of the 12-Step Culture, this saying is described as a “suggestion often made to newcomers who feel they can’t get the program and will go back to old behavior. fake it till you make it. The catch-phrase “Fake it till you make it,” is often associated with Alcoholics Anonymous. Harvard Business School professor Laura Huaung tried to follow the advice of "fake it till you make it."
We know, fake it till you make it. It only increased her self-doubt and uncertainty. You got to fake it until you make it. ie: depicting wealth by wearing expensive clothes, shoes, handbags or driving fancy cars. "Fake it till you make it" (or "Fake it until you make it") is an English aphorism which suggests that by imitating confidence, competence, and an optimistic mindset, a person can realize those qualities in their real life.
I know you are very uncomfortable in these clothes but must act in front of the audience. 1) Pretending to be something you are not, in hopes of fitting in, joining a group, or getting a job. Fake it till you make it.