積少成多 [积－－－]

Jyutping zik1 siu2 sing4 do1
Pinyin jī shǎo chéng duō

Definitions (CC-CEDICT)
  1. (idiom) many little things add up to sth great; many little drops make an ocean
Definitions (粵典–words.hk)
  1. 語句
    積聚​好多​微​細​嘅​嘢​，​就​可以​合埋​變成​大​嘅​嘢
    to accumulate small things so that they become abundant or great
Definitions (Wiktionary)
  1. phrase, idiomatic
    to accumulate little by little; many small things add to something great
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）