[{"Bold_text": "adjective", "List Items": ["highly successful and aggressive:a hotshot lawyer; a hotshot account exec.", "displaying skill flamboyantly:a hotshot ballplayer.", "moving, going, or operating without a stop; fast:a hotshot express."]}, {"Bold_text": "noun", "List Items": ["an impressively successful or skillful and often vain person.", "Railroads.an express freight train.", "a firefighter."]}]