supervision
/ˌsu:pəˈvɪʒn; also, in ɑritish use, 英式英语读作 ˌsju:-; ˌsupɚ`vɪʒən/ n[U]
supervising or being supervised 监督; 管理; 指导
Children should not be left to play without supervision. 孩子玩儿的时候不能无人照看.
This drug should only be taken under the supervision of (ie as supervised by) a doctor. 此药须遵医嘱服用.