以下短语供参考（汉语翻译供使用时斟酌）：
as everyone knows 人人都知道这一点
as is known to all 这一点是大家共知的
it is universally known (that) 全世界都知道/地球人都知道
it is widely known (that) 被广泛地知道
Every barber knows (that) 路人皆知（每个剃头的都知道）,
it comes to light (that) 大白于天下
even woman and children all know (that) / it is known even to women and children (that) 妇孺皆知,家喻户晓