旗鼓相当 qí gǔ xiāng dāng

DEFINITIONS

  1. lit. two armies have equivalent banners and drums (idiom); fig. evenly matched
  2. roughly comparable (opponents)

CHARACTERS

旗 qí banner, flag, streamer
鼓 gǔ drum; beat, top, strike
相 xiāng mutual, reciprocal, each other
当 dāng bear, accept, undertake; just