Big Brother
US /ˈbɪɡ ˈbrʌðər/
UK /ˈbɪɡ ˈbrʌðər/

1.
Big Brother, le Grand Frère
a person or organization exercising total control over people's lives
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The government's new surveillance program feels like Big Brother is watching us.
Le nouveau programme de surveillance du gouvernement donne l'impression que Big Brother nous regarde.
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The novel '1984' introduced the concept of Big Brother.
Le roman '1984' a introduit le concept de Big Brother.