您要查找的是不是：
- Police Constable Smith and Jones are on patrol. 警员史密斯和琼斯正在巡逻。
- The police warned people to be on the watch for intruders. 警方预先通知大家防备有外人闯入。
- Police were on a twenty-four-hour patrol. 警察昼夜巡逻。
- He and his wife seem to be on the outs these days. 他和他的妻子最近似乎感情很不好。
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- The big fish will be on the take in the water. 大鱼在水中会伺机捕捉小鱼。
- The couple seemed to be on cloud nine. 那对夫妇看上去极其幸福。
- The hostilities will be on eruption. 战事即将爆发。
- The police are on the run to catch the murderer. 警方正在忙着捕捉逃犯。
- The police are on the scent of the thieves. 警察发现了小偷的线索。
- These pictures will be on show next week. 下周将公开展出这些画。
- The news will be on the air tonight. 这个新闻今晚将要广播。
- Be on your guard, I conjure you. 千万要警惕呀，我恳求你。
- The police are on the hunt for further clues. 警方正进一步寻找线索。
- That newscaster is a showboat, she wants to be on camera all the time. 那新闻播报员是一个爱现的人，她随时想上镜头。
- The police are on the track of the gang. 警方正在追踪那帮团伙。
- He must be on the wrong side of40 by now. 他现在谅必四十开外了。
- Please be on hand at12: 30 sharp. 请在12点30分准时在席。
- My plan will be on the carpet at today's meeting. 今天的会议将审议我的计划。
- The patrol police on duty are on the alert against any possible disturbances. 值班巡警处于戒备状态，随时准备应付任何可能发生的骚乱。
