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1·The bank is alert to the danger.

该银行对这种危险有警觉。《柯林斯英汉双解大词典》

2·The cat is alert to every sound and movement.

那只猫对任何响动都很警觉。《新英汉大辞典》

3·At the same time, the app will send an alert to the contact who is keeping you company.

同时，应用程序会向你身边的联系人发送警报。

4·It caught us in the act, sent an alert to my smartphone, and also listed our RF interference on the system's event log.

它对我们逮了个正着，向我的智能手机发送了警报，还在系统里的事件日志中列出了我们的射频干扰。

5·We must be alert to these signals and respond with the compassion and care that are hallmark traits of what it means to be a woman, anywhere, everywhere.

我们必须警惕这些信号，以同情和关爱来回应，这些信号是标志性特征，说明在任何地方、在所有地方做女人意味着什么。

6·Stay alert to serious symptoms, such as chest pain or pressure, severe shortness of breath or dizziness, or faintness, and seek medical attention immediately.

要对胸痛、胸闷、严重呼吸急促、头晕、晕厥等严重的症状保持警惕，并立即就医。

7·We must be alert to the possibility of danger.

我们必须认识到危险的可能性。《牛津词典》

8·The armed forces were on high alert to guard against any retaliation.

武装部队保持高度警惕，以防发生任何报复行为。《柯林斯英汉双解大词典》

9·As a new YouGov poll shows, Britons are surprisingly alert to class—both their own and that of others.

舆观调查网（YouGov）的一项最新民意调查显示，英国人对阶级的敏感程度令人惊讶——无论是对自己的还是别人的。

10·These approving contemporary critics were particularly alert to each writer's contribution to the depiction of American social life, especially to regional differences in manners and character types.

这些持肯定态度的当代批评家尤其注意到每个作家对美国社会生活描写的贡献，特别是风俗习惯和性格类型的地域差异。