鬥智鬥勇 [斗－斗－]

Jyutping dau3 zi3 dau3 jung5
Pinyin dòu zhì dòu yǒng

Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    to engage in a battle of wits and valour