Thee knight's quest was to find and kill the dragon.

骑士的任务就是找到并杀死龙。

youdao

Dragon often come to the island to rob the Viking people blog sheep, for thousands of years, the Vikings and the long struggle... the hiccup is the first Viking who kill the dragon.

龙族经常来博克岛上抢维京人们的羊，千百年来，维京人与龙斗争着……而小嗝嗝是第一个杀不了龙的维京人。

youdao

Every Dragon Boat Festival, people sweep the house clean, sprinkle with realgar water in the kitchen, to kill the vermin or prevent propagation of poisonous insect.

每逢端午节，人们把房子扫干净，在厨房里洒上雄黄水，用来杀死毒虫或防止毒虫孳生。

youdao

While the vast majority of these worlds are centered around a videogame (kill the dragon, blow up the Death Star, shoot the Nazis), people are doing far more than just "playing" in them.

FORBES: Reshaping Reality