backroom boy

英 [ˌbækˈruːm bɔɪ]

美 [ˈbæˌkrum bɔɪ]

智囊人物；幕后人物, 从事秘密研究工作的人
n.  〈英口〉幕后策划人

柯林斯词典

• （组织中的）幕后智囊，幕后筹划者
  You can refer to a man as abackroom boywhen he does important work in an organization and has good ideas but is not seen or known about by the public.

英英释义

noun

• an expert adviser involved in making important decisions but usually lacking official status
  Synonym:brain truster

双语例句

• He was simply a clever backroom boy who got lucky.
  他不过是个聪明的幕后工作者得到了命运之神的眷顾。