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English As She Is Spoke is the common name of a 19th-century book written by Pedro Carolino, and falsely additionally credited to José da Fonseca, which was intended as a Portuguese–English conversational guide or phrase book, but is regarded as a classic source of unintentional humour, as the given English translations are generally completely incoherent.
The humour appears to be a result of dictionary-aided literal translation, which causes many idiomatic expressions to be translated wildly inappropriately. For example, the Portuguese phrase chover a cântaros is translated as raining in jars...