垂詢 [－询]

Jyutping seoi4 seon1
Pinyin chuí xún

Definitions (粵典–words.hk)
  1. 動詞
    詢問​，​通常​問者​地位​比較​高
    to enquire; usually from a person of higher status
Definitions (Wiktionary)
  1. verb
    to inquire (subordinate)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）