美国教授突然禁止使用电话, 导致学生对未经宣布的分级处罚反应强烈。 A U.S. professor’s sudden phone ban caused student backlash over unannounced grade penalties.

一名教授未经事先通知实施电话禁令后, 一所美国大学的学生正在退缩, 从而引起对成绩不及格的担忧。 Students at a U.S. university are pushing back after a professor enforced a phone ban without prior notice, leading to concerns about failing grades. 教授开始在课堂上扣除电话使用参与点,这是教学大纲中未说明或在该学期早期宣布的一项规则。 The professor began deducting participation points for phone use during class, a rule not stated in the syllabus or announced early in the term. 一些学生说,在受到处罚之前,他们不知道这项政策,有一个学生声称他们现在面临失败的风险。 Several students said they were unaware of the policy until penalized, with one claiming they are now at risk of failing. 突然的执法引发了关于学术政策透明度和公平性的辩论,学生要求更明确的沟通。 The sudden enforcement has sparked debate over transparency and fairness in academic policies, with students demanding clearer communication. 这种情况仍然没有解决,因为学生们正在设法解决对成绩的影响问题。 The situation remains unresolved as students seek to address the impact on their grades.