em·i·nence grise /ˌemɪnɒns ˈɡriːz $ -nɑːns-/ noun (plural eminences grises) [countableC] someone who has unofficial power, often secretly, through someone else 幕后操纵者 Borusa had no wish to become president, instead preferring to operate as an eminence grise behind the scenes. 博鲁萨无意当总裁，而是更喜欢做一个幕后操纵者。
eminence grise• The networks set up by De Gaulle's eminence grise, Jacques Foccart, were replaced or strengthened.