"To know" 用英语可以说作 "to understand or be aware of something." 这个短语来自英语中的动词 "know," 它有多种含义，包括掌握知识、懂得事情和了解事实等。

例句：

I know that he is coming tonight. (我知道他今晚来。)

Do you know the way to the station? (你知道去车站的路吗？)

I want to know the truth. (我想知道真相。)

She knows how to dance very well. (她会跳舞。)