1. There are five people under her supervision.
    有五个人在她的监督之下。

2. supervision的解释

2. New workers often need close supervision.
    新工人通常需要严密的管理。

3. The house was built under the careful supervision of an architect.
    这房子是在一位建筑师的细心监督下建造的。

1. 监督;管理
    Supervision is the supervising of people, activities, or places.

    e.g. A toddler requires close supervision and firm control at all times...
           刚学步的孩子时刻需要寸步不离的照看，并要牢牢看紧。
    e.g. The plan calls for a ceasefire and UN supervision of the country...
           该计划要求双方停火并由联合国对该国进行监督。

1. management by overseeing the performance or operation of a person or group

    Synonym: supervisingsuperintendenceoversight