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

1.
memamerkan kekuatan, menunjukkan pengaruh
to show off your power, strength, or influence
:
•
The company decided to flex its muscles by launching a new, aggressive marketing campaign.
Perusahaan memutuskan untuk memamerkan kekuatannya dengan meluncurkan kampanye pemasaran baru yang agresif.
•
The politician tried to flex his muscles during the debate, but his arguments were weak.
Politikus itu mencoba memamerkan kekuatannya selama debat, tetapi argumennya lemah.