專司 [专－]

Jyutping zyun1 si1
Pinyin zhuān sī

Definitions (CC-CEDICT)
  1. to work solely on
  2. to have as one's (or its) sole function
  3. person or agency responsible for one specific thing
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）