戰無不勝,攻無不克 [战无-胜--无--]

Jyutping zin3 mou4 bat1 sing3 , gung1 mou4 bat1 hak1
Pinyin zhàn wú bù shèng , gōng wú bù kè

Definitions (CC-CEDICT)
  1. to triumph in every battle and win every fight (idiom); all-conquering
  2. ever victorious
  3. nothing they can't do