持之有故 [－－－－]

Jyutping ci4 zi1 jau5 gu3
Pinyin chí zhī yǒu gù

Definitions (Wiktionary)
  1. phrase, idiomatic
    one has a well founded view or opinion; one's views can be supported by facts or evidence
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）