1.
The doctor redoubled his vigilance, as the calm might hide a snare.
博士加倍警惕，因为很可能在这静寂当中暗藏着什么埋伏
2.
we are more wary of the enchantments of beauty.
更加警惕美丽的迷惑力。
3.
Should this not call for our redoubled vigilance?
这难道不应该引起我们更加警惕吗？
4.
F-ed is forearmed.
[谚]警惕即警备。
5.
We remained on guard and the work of strengthening the dyke continued.
我们仍然保持警惕，加固堤坝的工作继续进行。
6.
He was a man who suspected everyone and everything.
路加警惕性高，对任何人和任何事他都存有戒心。
7.
First, we should promote education and maintain sharp vigilance in international trade transactions.
第一，加强教育，在国际贸易中保持高度的警惕性。
8.
Warning: PITC will Intensify the Social Discrimination
警惕艾滋病病毒扩大检测加剧社会歧视
9.
In Hong Kong unwary pedestrians face more dangerous precipitation.
但在香港，警惕性不高的行人面临着更加危险的坠物。
10.
In the Taihang area, we are guarding against such an eventuality and we are paying particular attention to the economic front.
太行区就在这样的警惕下，加强了对于经济战线的注意。
11.
Government officials increased vigilance against" foreign infiltration under the guise of religion.
政府官方增加了对“假借宗教的旗帜的外国势力渗透”的警惕。
12.
We must strengthen state security, keeping vigilance against infiltrative, subversive and separatist activities by hostile forces at home and abroad.
加强国家安全工作，警惕国际国内敌对势力的渗透、颠覆和分裂活动。
13.
be vigilant, be on the lookout, be on one's guard, be careful.
警惕的，小心戒备着。
14.
We must keep fully alert.
我们必须高度警惕。
15.
The authorities were alerted to the danger.
当局对危险警惕起来。
16.
Look out for squalls.
谨防危险，随时警惕。
17.
we cannot afford to turn a blind eye to them!
我们对此，能不警惕！
18.
He needs a long spoon who sup with the devil.
与鬼打交道，警惕不可少。