奋武扬威

奮武揚威
fènwǔyángwēi
a show of strength

CEDICT

炫耀武力，夸示威风。形容威风凛凛。

重編國語辭典

Entry Composition

1 奋 fèn to exert oneself (bound form)
2 武 wǔ
  1. martial
  2. military
3 扬威 yángwēi
  1. (literary) to prance about; to show off one's might and majesty
  2. to prance about; to show off one's might and majesty