the activity of using the internet to harm or frighten another person, especially by sending them unpleasant messages

Schools are required to come up with ways to address cyberbullying. 要求学校找出应对网络欺凌的方法。

In the past ten years, cyberbullying has become increasingly common among students. 在过去的十年里，网络欺凌在学生中变得越来越普遍。