警惕

na.be on guard against

网络释义：precaution; on one's guard; look out

网络释义

na.1.be on guard against; watch out for; be vigilant; be on the alert

1.precaution pray 祈祷，祈求；请求，恳求 precaution 预防，防备，警惕 precious 珍贵的…

2.on one's guard none other than 不是别的,正是 on one's guard 警惕,提防 nothing but 只有,只不过 ...

3.on guard in force 有效；实施中 on guard 警惕，防范 in general 通常，大体上 ...

4.look out look back 回顾，回头看 look out 留神，注意，提防，警惕 look on 旁观，观看；看待，视作 ...

5.vigilance appearance 出现 vigilance 警惕（性） clearance 清除，清理 ...

6.alert aggressive 积极 alert 警惕 apen 外侨 ...

7.vigilant 对…有害 be harmful to 警惕 be on guard 认为某事当然 take sth for granted ...

1.Armstrong's not armed, you know, and anyway Blore is twice a match for him in physique and he's very much on his guard.阿姆斯特郎没有武器，这你知道，不管怎么说，从体力上来说，布洛尔一个可以抵他两个，而且他现在警惕性很高。

2.Whenever I went out with him on weekends, I used to struggle to think up things to say, feelmg on guard.无论什么时候我与他一起去度周末，我都会警惕的捏造各种故事和话题去用作一路上的谈资。

3.No eye could see him, save that ever-wakeful one which had seen him in his closet, wielding the bloody scourge.眼睛不能看他，只是曾经警惕一个看见了他在他的壁橱，挥动血淋淋的鞭。

4.By far the best available was that of Sweden whose progress the whole continent had been watching with a mixture of admiration and alarm.目前为止，可用的最好的来源来自瑞典，整个欧洲大陆都在以钦佩与警惕交织的复杂心情观察着它的进步。

5.For the whole game, I continued to run behind my team-mates, shouting that we had to be alert until the end.在这场比赛里，我一直在我的队友后面跑着，大声向他们叫喊着我们必须一直保持警惕，直到比赛结束。

6.Yet one must be wary of interpretations that attempt to reduce complex reapty to a simple dynamic.但人们必须警惕那种试图将复杂现实去繁就简的解释。

7.Medical crises will inevitably arise; the child must be vigilant for a hospital's bad habits when caring for elderly patients.医学危机将不可避免地出现；当子女照料晚年的双亲时，子女必须警惕医院的不良习惯。

8.However, he said the incident makes clear the United States must remain vigilant against possible attacks.但他表示，这一事件显示美国必须对可能发生的袭击保持警惕。

9.You might have thought, given past experience, that D. C. insides would be on their guard against conservatives with grandiose plans.有了过去的经验教训，人们可能以为华盛顿的内部人士对保守派提出的宏伟计划会保持警惕。

10.When he arrived at the train station, he hurried through his breakfast, manifestly ill at ease and keeping a sharp eye about him.到达火车站后，他匆忙吃完早餐，显然很不自在，并警惕地注视四周。