有言在先 [－－－－]

Jyutping jau5 jin4 zoi6 sin1
Pinyin yǒu yán zài xiān

Definitions (CC-CANTO)
  1. made clear beforehand; forewarn
Definitions (Wiktionary)
  1. phrase, idiomatic
    to make it clear beforehand; to forewarn
    (syn.) 踏话头, 踏話頭
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）