A company was producing an English-language movie. In one scene, an exhausted messenger was supposed to dash in, collapse, and gasp out a vital message in Swahili. The company even found someone who knew the language.
The scene worked beautifully the movie -- until it played in an African town where Swahili was well known. A moment of high drama nose-dived into comedy as the panting messenger gasped out: "I don't think I am being paid enough for this part!"