custodian
用法要点
介词搭配
custodian 常与 of 连用，表示“某物的保管人”，如 custodian of the keys；在金融语境中，也可与 for 连用，如 custodian for the assets。
句型结构
常用作主语或宾语，如“The custodian is responsible for...”或“We appointed a custodian to...”。在正式文件中，常以“in the capacity of custodian”出现。
语域说明
custodian 较正式，多用于法律、金融、机构管理或官方语境；日常口语中更常用 caretaker 或 guardian。在美式英语中，也指学校或大楼的清洁工（较非正式）。
基础例句
The custodian of the apartment building ensures all common areas are clean and safe.
公寓大楼的管理员负责确保所有公共区域干净安全。
My uncle is the custodian of our family's old photographs and documents.
我叔叔是我们家老照片和文件的保管人。
The school custodian fixed the leaky faucet in the bathroom yesterday.
学校的保管员昨天修好了卫生间漏水的水龙头。
高级例句
The bank acts as custodian for the client's securities, ensuring safekeeping and proper record-keeping.
该银行作为客户证券的保管人，确保安全保管和准确记录。
Under the trust agreement, she was appointed legal custodian of the minor's inheritance until they reach adulthood.
根据信托协议，她被指定为未成年人继承财产的法定监护人，直至其成年。
The museum's custodian of artifacts is responsible for preserving and cataloging historical items.
博物馆的文物保管员负责保存和编目历史物品。
高频搭配
verb
adjective
noun
preposition
phrase
常见错误
错误：误用动词不定式短语；正确：custodian 后常接介词短语或形容词修饰，表示职责。应改为“responsible for”或“in charge of”。
错误：释义过于宽泛模糊；正确：在正式语境中，custodian 强调法律或金融上的保管、管理职责，应用更具体的描述。
近义词辨析
guardian
guardian 侧重法律上的监护职责，尤指对未成年人或无行为能力人的照顾和保护；custodian 更强调对财产、物品或场所的保管和管理。
As a guardian, she makes decisions for the child's welfare; as a custodian, she manages the child's financial assets.
caretaker
caretaker 通常指日常维护和照看建筑物或场地的人，较非正式，可能包括清洁、修理等任务；custodian 更正式，常用于法律、金融或机构语境，强调保管责任。
The caretaker mows the lawn and fixes leaks, while the custodian oversees the building's security and records.