知道zhī dào
to know, to be aware of砍kǎn
to chop, to cut down, to throw sth at sb确定què dìng
definite, certain, fixed确认què rèn
to confirm, to verify, confirmation碎suì
to break down, to break into pieces祖先zǔ xiān
ancestor, forebears神秘shén mì
mysterious, mystery私人sī rén
private (citizen), private