化整為零 [－－为－]

Jyutping faa3 zing2 wai4 ling4
Pinyin huà zhěng wéi líng

Definitions (CC-CEDICT)
  1. to break up the whole into pieces (idiom); dealing with things one by one
  2. divide and conquer
Definitions (粵典–words.hk)
  1. 動詞
    分散​整體​，​化為​零碎​部分
    to break up the whole into parts
Definitions (Wiktionary)
  1. verb
    to break up the whole into parts