屋上建瓴 [－－－－]

Jyutping uk1 soeng6 gin3 ling4
Pinyin wū shàng jiàn líng

Definitions (Wiktionary)
  1. phrase, idiomatic
    Synonym of 高屋建瓴 (gāowūjiànlíng).
    (syn.) 高屋建瓴