您要查找的是不是：
- a purposeful surveillance to guard or observe. 有目的的监视或观察。
- They dealt with the problem in a purposeful way. 他们处理这问题很果断。
- The act or a period of observing; surveillance. 观察; 警戒观察或监视的行为或时间
- purposeful surveillance 有意监视
- Detectives kept the quarry under surveillance for weeks. 侦探们监测那个目标已有好几个星期了。
- Purposeful or industrious activity; enterprise. 企图，进取心有目的的、勤勉刻苦的行动; 进取心
- We must keep these people under close surveillance. 对这些人我们要严密监视。
- The diplomat is placed under police surveillance. 外交官被置于警察的监视之下。
- The surveillance radar is unserviceable. 监视雷达不工作。
- He is still under police surveillance. 他仍然受到警方的监视。
- Purposeful or industrious activity;enterprise. 企图，进取心有目的的、勤勉刻苦的行动；进取心
- Above the man's head we see surveillance cameras. 我们在这个人的头顶上方看到了监控摄像头
- She looked purposeful and determined. 她看来胸有成竹、意志坚定。
- AWACS surveillance; AWACS operations. 机载警报和控制系统监视；机载警报和控制系统操作
- Write concise and purposeful letters. 要简明和言之有物。
- Describe the surveillance system for the area. 描述一个地区的监测系统。
- Her purposeful stare showed she meant business. 从她坚定的眼神可知她是认真的。
- Shut down the surveillance cameras for the hotel. 为了进入监狱关闭监视器系统。
- Surveillance finds where the problems reside. 监测能够发现问题所在。
- He became a happy purposeful man. 他成了一个快乐而又有抱负的人。
