Over the last few years and with the huge increase in social media users, there have been several crazes that have spread like a virus. We had planking back in 2010, then there was the ice bucket challenge and now the latest viral video craze to sweep social media is the mannequin challenge.

近几年,随着社交网络的盛行,“网络挑战”的热潮就像病毒(virus)一样蔓延开来。比如2010年流行的“趴街”(planking),到“冰桶挑战”(ice bucket challenge),再到最近横扫社交媒体的“木头人挑战”。