形容词
中文翻译：警惕的
同义词：
['attentive', 'watchful', 'wary例句：1. The detective was very watchful of his surroundings.（侦探对他的周围环境非常警觉。）']
例句：
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1. The detective was very watchful of his surroundings.
侦探对他的周围环境非常警觉。
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2. She is always watchful of her children's safety.
她总是对她的孩子的安全保持警觉。
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3.He is a watchful man who pays close attention to details.
他是一个细心观察细节的人，总是保持着警惕。