勇而無謀 [－－无谋]

Jyutping jung5 ji4 mou4 mau4
Pinyin yǒng ér wú móu

Definitions (Wiktionary)
  1. phrase, idiomatic
    brave but lacking an ability to think strategically; all brawn and no brains
    (syn.) 有勇無謀, 有勇无谋