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be on the alert for ...

双语例句

  1. Police are warning the public to be on the alert for suspicious packages.
    警方警告公众要警惕可疑包裹。
    来自《牛津词典》
  2. They want to be on the alert for similar buying opportunities.
    他们要准备应对类似的购买机会。
    来自《柯林斯英汉双解大词典》
  3. We are therefore campaigning for authors, researchers and editors to be on the alert for plagiarism and to work against cultural misunderstandings.
    因此我们正在帮助论文作者、研究人员以及杂志编辑小心提防剽窃，而且还要对抗文化上的误解。

网络短语

  • be on the alert for
    警戒；戒备