flex your muscles
US /flɛks jʊər ˈmʌslz/
UK /flɛks jʊər ˈmʌslz/

1.
seine Muskeln spielen lassen, seine Macht demonstrieren
to show off your power, strength, or influence
:
•
The company decided to flex its muscles by launching a new, aggressive marketing campaign.
Das Unternehmen beschloss, seine Muskeln spielen zu lassen, indem es eine neue, aggressive Marketingkampagne startete.
•
The politician tried to flex his muscles during the debate, but his arguments were weak.
Der Politiker versuchte, während der Debatte seine Muskeln spielen zu lassen, aber seine Argumente waren schwach.