guān​gōng​miàn​qián​shuǎ​dà​dāo

to show off to an expert

  1. Lord Guan
    Honorific title for 关羽 guān​yǔ, a famous general of the Three Kingdoms period known for his loyalty and bravery; later worshipped as a god of war and a symbol of righteousness.
  2. in front of
    The area directly in front of someone or something; facing
  3. to wield
    to wield or flourish a weapon; to display a skill; to perform or juggle
  4. broadsword, large knife, machete
    A type of long-handled or short-handled heavy weapon with a single edge and thick back; specifically a broadsword, large knife, or machete.