English version

big gun

From Longman Dictionary of Contemporary Englishbig gunˌbig ˈgun noun [countable]  informalPOWER a person or company that has a lot of power and influence one of the party’s big guns
Examples from the Corpus
big gunThe software company has done well in areas ignored by big guns such as Microsoft and Lotus.The big gun in the critics' arsenal this year was Wayne Levi and his four triumphs.
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