第一把交椅 [－－－－－]

Jyutping dai6 jat1 baa2 gaau1 ji2
Pinyin dì yī bǎ jiāo yǐ

Definitions (粵典–words.hk)
  1. 名詞
    最有​機會​接任​做​阿​頭​嘅​人
    the most likely candidate to replace the current leader
  2. 名詞
    地位​最高​；​最話​得​事​嘅​人
    top of the heap
Definitions (Wiktionary)
  1. phrase, idiomatic
    top banana; top of the heap