众所周知,英语是:As we all know。例句:As we all know, some of today's children are overweight because they eat too much fast food. 众所周知,今天很多孩子都超重了,因为他们吃了太多的快餐。详细解释:all 英[ɔ:l] 美[ɔl] adj. 全部的; 一切的; 各种的; 极度的,尽量的; pron. 全部; 一切; 每个人,每件东西; 全部情况; adv. 全部地; 完全地; 每个; 非常; [例句]He lost all his money at a blackjack table in Las Vegas.在拉斯维加斯的21点纸牌桌上,他把钱输得精光。know 英[nəʊ] 美[noʊ] v. 知道; 了解; 认识; 确信; n. 知情; [例句]I don't know the name of the place我不知道那个地方的名字。