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- Vinci: This is a super-spy chair. It's designed for those who have to stay on guard for a long time. Are you scared? 文西：这个是超级间谍椅，是给人家专门长时间坐着监视人用的。我问你怕不怕？
- Commander: There are hostages up ahead! Release as many as possible! What ever you do, don't shoot at the hostages. Stay on guard! 指挥官：前方会有一些人质，尽你们所能去解救他们，无论成功与否都不要射杀人质并时刻保持警惕。
- Stay on guard. 留下来值班。
- You'd better stay on your guard around your boss. 在老板旁边时,你最好要小心谨慎。
- I'm not sure whether to resign or stay on. 我拿不准主意是辞职还是留任。
- Be on guard when somebody flatters you. 有人奉承你时，一定要当心。
- While danger threatens we must all be on guard. 危险正逼近，我们必须保持警惕。
- A sentry stood on guard at the corner. 一个哨兵在角落里站岗。
- I stay on so that he may not feel lonely. 我留下来以使他可能不会再感到孤独。
- There are soldiers on guard at the gate. 大门口有士兵在守卫。
- Stay on guard against dengue fever and JE 市民应保持警觉预防登革热及日本脑炎
- Be on guard against those who are jealous of your success. 要提防那些嫉妒你的成功的人。
- Philip agreed to stay on in the job another week to show the new man the ropes. 菲利浦同意再留职一周，带一带这个新来的人。
- The coach told Jim he must get on the ball or he cannot stay on the team. 教练告诉吉姆他必须把事情干好，不可分神，否则他就不能在这个队里呆下去。
- We must be on guard against hidden enemies. 我们必须警惕暗藏的敌人。
- How does your hat stay on in this high wind? 这么大的风，你的帽子怎么戴得住呢？
- We thought it best to be on guard. 我们觉得最好还是保持警锡。
- It's so lovely here; let's stay on for a bit. 这儿多好玩呀，咱们再待一会儿。
- He told us again and again to be on guard. 他一再要我们提防。
- He stayed on at university to do research. 他留在大学里做研究工作。
