[--]

Jyutping syut3 dou3 dai2
Pinyin shuō dào dǐ

Definitions (Wiktionary)
  1. adv
    in the final analysis; in the end; all in all; at bottom; fundamentally; basically
    (syn.) 呾到底, 講到底, 讲到底

說到底 [说--]

Jyutping
Pinyin shuō dào dǐ

Definitions (CC-CEDICT)
  1. in the final analysis
  2. in the end