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n.
- 1. 警戒,机敏
网络例句
以下结果来自互联网
- deficient in alertness or activity.

缺少机敏或者活动性。 - Lacking responsiveness or alertness; insensitive.

迟钝的反应不迅速的;不敏感的 - marked by full consciousness or alertness.

以充满意识或者警惕为特点。 - showing mental alertness and calculation and resourcefulness.

表现出思想上的机敏、深思熟虑和足智多谋。 - The order urges the armed force to enhance their alertness

该项命令敦促武装部队提高警惕
