big wheel
noun/ˌbɪɡ ˈwiːl/
/ˌbɪɡ ˈwiːl/
- (usually the Big Wheel)(British English)(also Ferris wheel North American English, British English)a large vertical wheel pointing towards the sky at an amusement park that turns round and round, with seats hanging at its edge for people to ride in
（游乐场的）摩天轮 - (North American English, informal) an important person in a company or an organization
要人；大亨