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According to the German linguist Elizabeth Piirainen, the idiom "to get on one's nerves" has the same figurative meaning in 57 European languages. She also says that the phrase "to shed crocodile tears", meaning to express insincere sorrow, is similarly widespread in European languages but is also used in Arabic, Swahili, Persian, Chinese,[5] Vietnamese,[6] Mongolian, and several others.[citation needed]