基調 [－调]

Jyutping gei1 diu6
Pinyin jī diào

Definitions (CC-CEDICT)
  1. main key (of a musical composition)
  2. keynote (speech)
Definitions (Wiktionary)
  1. noun
    main key; keynote
  2. noun, figuratively
    keynote; basic tone; basic theme
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）