1. He is fully justified in criticizing the police commissioner for poorly supervising his department. 他批评警察局长对自己的部门监督不严是完全有道理的。
2. She began to study French at a language school in Chicago. She also took a higher-paying job supervising a public eating place so she could save money. 她开始在芝加哥的一所语言学校里学习法语。她也得到了一份高薪的监管公共饮食场所的工作，这样她可以攒钱了。
3. The safety supervising system have been used widely in state-owned coal mines, but its function have not operate well because of no uniform management mode. 安全监控系统在国有煤矿得到了普遍应用，但没有一个统一的管理模式，不能充分发挥监控系统的应有作用。
英英解释
n.
1. management by overseeing the performance or operation of a person or group
