backroom boys
US /ˈbæk.ruːm bɔɪz/
UK /ˈbæk.ruːm bɔɪz/

1.
幕後人員, 幕後英雄
people who do important work but have no contact with the public
:
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The success of the campaign was largely due to the hard work of the backroom boys.
這次活動的成功很大程度上歸功於幕後人員的辛勤工作。
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The scientists working on the secret project were the real backroom boys.
參與秘密項目的科學家們才是真正的幕後英雄。