掎角之勢 [－－－势]

Jyutping gei2 gok3 zi1 sai3
Pinyin jī jiǎo zhī shì

Definitions (Wiktionary)
  1. phrase, idiomatic
    to divide one's military forces into two separate groups so that one can attack on two different fronts
    (syn.) 犄角之勢, 犄角之势