医生警告我不要再吃油炸食品了。

The doctor ___warned me against eating fried food anymore.

医生警告他吸烟会增加患肺癌的风险。

The doctor ___warned him that smoking increases the risk of lung cancer.

医生警告他吸烟会损害健康。

The doctor ___warned him that smoking would harm his health.