supervise

A qualified lifeguard must supervise the swimming pool at all times for safety.

(Chinese) 为了安全起见，必须有合格的救生员时刻监督泳池。

The head chef will supervise the apprentices while they prepare the three-course meal.

(Chinese) 主厨将在学徒们准备三道菜的套餐时进行指导监督。