troll
网络喷子
释义：
a message to a discussion group on the Internet that sb deliberately sends to make other people angry; a person who sends a message like this 恶意挑衅的帖子(在互联网讨论组张贴);发挑衅帖子的人，就是我们说的“网络喷子”
例句：
Don't worry too much about the trolls, just ignore their nasty comments.
键盘侠
keyboard warrior 就是我们说的“键盘侠”，利用社交媒体发表攻击性的言论的人
eg. Social media requiresa spark to become effective; lazy keyboard warriors need a real-life catalyst to inspire their virtual campaign.
网暴
cyberbullying 网络暴力，网暴;动词 cyberbully
eg. The girl experienced a high level of cyberbullying.
