English version

big cheese

From Longman Dictionary of Contemporary Englishbig cheeseˌbig ˈcheese noun [countable] informal  IMPORTANTan important and powerful person in an organization – used humorously
Examples from the Corpus
big cheeseEvidently he was considered a big cheese here, and was greeted by everyone.One of the big cheeses from NASA gave a speech.
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