高屋建瓴 [－－－－]

Jyutping gou1 uk1 gin3 ling4
Pinyin gāo wū jiàn líng

Definitions (CC-CANTO)
  1. in a strategically advantageous position
Definitions (Wiktionary)
  1. phrase, idiomatic
    to sweep down irresistibly from a commanding height; to operate from a strategically advantageous position
    (syn.) 建瓴高屋, 屋上建瓴