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- Guard against the competitors. 看守好竞争对手；
- We should be on guard against the enemy's invasion. 我们要防范敌人的入侵。
- You must be on your guard against the dog. 你一定要防备那只狗。
- You must know how to guard against the jealousy of others. 你必须知道如何提防他人的妒忌。
- Cowboys should be on guard against the attacks from wild animals. 牛仔必须提防着野兽的袭击。
- In society we should always guard against the sniper's shot. 在社会上我们要时常提防冷箭伤人。
- In society we should always guard against the sniper rs shot. 在社会上我们要时常提防冷箭伤人。
- We should be on guard against the enemy rs invasion. 我们要防范敌人的入侵。
- To guard against the "Left" deviation is Marxism, not opportunism. 防“左”是马克思主义，不是机会主义。
- Guard against the breeding of mosquitoes to avoid dengue. 对滋生蚊虫要多加防範;以免得到骨痛热病.
- Please guard against pickpockets on the bus. 在公共汽车上要谨防扒手。
- Be on guard against the professional killer of black qigong's! 警惕当代黑色气功现象!
- The rancher must always be on guard against the dangers that nature can create. 牧场主必须时刻防备可能发生的自然灾害。
- Be on your guard against the woman; she'll do you down if she gets a chance. 你要提防那个女人，她一有机会就要欺骗你。
- The company has had a good year but we must guard against complacency. 公司获得了一个好年头，我们务必防止沾沾自喜。
- He managed to finish the race, unlike more than half of the competitors. 他在比赛中坚持跑完了全程，不像大部分选手那样半途而废。
- Customers were flocking to the competitor. 客户纷纷拥向竞争对手。
- He urged them to guard against conceit. 他要求他们防止骄傲自满。
- The huge trees were profiled against the night sky. 在夜空的映衬下显出大树的轮廓。
- The police guarded against the witness's letting out the secret. 警察预防证人泄露秘密。
