The phrase "plain man" is a commonly used phrase in written English.
It generally refers to someone who is ordinary or humble. For example: The plain man was content living a simple life with few possessions.
"It's plain, man," scoffs Jack.
He is a plain man, and he projects an air of old-fashioned integrity and decency.
Perhaps this was a self-portrait, the image of a plain man and a poet.
He is a plain man from the South Dakota prairie; his staunchest admirers concede that he is not especially clever or charismatic.
Faulkner describes the first glimpse of a woman who charms Lanagan as she enters a restaurant with someone: "He was just a plain man," he wrote.
It may all be very true, but I can't understand it.' This appeals to the Plain Man and makes your opponent look arrogant.
"Plain men for the plain daylight, that's our preference," a testy American sea captain informs him.
It is possible, in fact, to subscribe to the legitimacy of metaphysics as so understood without postulating the existence of any special entities known only to the metaphysician a claim that plain men have often taken to connect metaphysics with the occult.
The war correspondent Drew Middleton wrote, "Two armies of plain men who had marched and fought from the blood-splashed beaches of Normandy and the shattered streets of Stalingrad have met on the Elbe River in the heart of Germany, splitting the Third Reich and sealing the doom of the German Army, whose tread shook the world only three short years ago".
The melody is like a lullaby, a few simple, descending chords accompanying a tale of heroes and the rest of us plain men who thought, vainly, that one day we might be too.
He feared that division within the profession would cause public health authorities to "ask the assistance of some members of the bench or the bar accustomed to weigh evidence, and investigate facts, or even of such plain men as compose juries, than medical men, having so much reason to suspect that our minds are warped by prejudice".
