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The title of Flann O'Brien's Irish-language novel, "An Béal Bocht," translates to "The Poor Mouth" in English. Written under the pseudonym Myles na gCopaleen, the novel satirically portrays the impoverished conditions in rural Ireland during the 1940s. O'Brien's masterful use of language, characterized by wordplay and humor, makes the novel both entertaining and thought-provoking, shedding light on social and economic issues of the era.