老定 [－－]

Jyutping lou5 ding6
Pinyin lǎo dìng

Definitions (CC-CANTO)
  1. (adjective) unflappable; calm; self-possessed; confident; composed
Definitions (粵典–words.hk)
  1. 形容詞
    沉着​；​冷靜​；​就算​處​於​壓力​之下​，​心態​都​可以​同平時​一樣​，​好似​一​啲​都​冇​擔心過
    calm; collected; cool under pressure
  2. 近義詞
    淡定
Definitions (Wiktionary)
  1. adj, Cantonese, Liuzhou, Mandarin, Wenzhou-Wu
    calm; composed; collected
Definitions (Kaifangcidian)
  1. 鎮定 – 镇定
  2. 冷靜 – 冷静
  3. 沉得住氣 – 沉得住气