Content that spreads rapidly across the internet, usually through social media.
在互联网上迅速传播的内容，通常通过社交媒体。 (zai hulianwang shang xunsu chuanbo de neirong, tongchang tongguo shejiao meiti)
"The video went viral after being shared on Facebook."
"这段视频在脸书上分享后迅速走红。" (zhe duan shipin zai lianshu shang fenxiang hou xunsu zouhong)
to become well-known or famous for something
to begin something well or positively
to complete something perfectly by adding the final details
an emotionless or mechanical reaction
To move or pass quickly; sometimes used humorously.
the most vulnerable or insecure part of a system
