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Jyutping bou2 cyun4
Pinyin bǎo quán

Definitions (CC-CEDICT)
  1. to save from damage
  2. to preserve
  3. to maintain
  4. to keep in good repair
  5. (Tw) security guard
Definitions (Wiktionary)
  1. verb
    to keep; to preserve
  2. verb, Taiwan
    to ensure safety; to keep watch over; to guard; to protect
  3. verb
    to keep in good repair; to maintain; to save from damage
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 臺陸用法和差異
    臺灣​所說​的​「​保全​」​,​是​指為​了​個人​或​家庭​或​公司​企業​的​生命​、​財產​安全​提供​保護​,​例如​:​他​在家​門外​安裝​保全​防盜​系統​。​大陸​的​「​保全​」​所​指示​保護​、​維修​機器設備​,​以令能​正常​運轉​使用​,​如​:​他​在​這間​工廠​擔任​保全​工​,​專門​維修​各種​機器設備​。
  2. 職業:臺
    保全員、保全、警衛
  3. 職業:陸
    保安人員、保安、安保