big·wig
noun/ˈbɪɡwɪɡ/
/ˈbɪɡwɪɡ/
(informal)- an important person
要人；大人物；知名人士 - She had to entertain some boring local bigwigs.
她不得不款待当地一些无聊的大人物。
Word Originearly 18th cent.: so named from the large wigs formerly worn by distinguished men. - She had to entertain some boring local bigwigs.