耀ㄧㄠˋˇㄧㄤˊㄨㄟyàowǔ‑yángwēi

耀武扬威
  1. 炫耀武力展現威風形容非常傲氣 耀武揚威上臺挑戰」。

to show off one's military strength (idiom)​; to strut around, to bluff, to bluster
seine Macht demonstrieren (Sprichw)​