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

1.
幕后人员, 幕后英雄
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.
这次活动的成功很大程度上归功于幕后人员的辛勤工作。
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The scientists working on the secret project were the real backroom boys.
参与秘密项目的科学家们才是真正的幕后英雄。