白蛇传的英语怎么说

White snake su zhen is still a little snake without magic power had been arrested by the old snake.（白蛇素贞还是一条没有什么法力的小蛇时曾被捕蛇老人所抓。）Thanks to the rescue of a small shepherd boy.（幸得一小牧童相救。）Su zhen heart swear, must repay