我不明白您的意思用英文怎么表达？

　　I quite understand that you need some time alone.

　　我很理解你需要独自静一会。

　　People are often afraid of things they don't understand.

　　人往往对自己不懂的东西感到恐惧。

　　She doesn't understand the difference between right and wrong.

　　她不能明辨是非。

　　What she means is that there's no point in waiting here.

　　她的意思是说在这儿等下去没什么意义。

　　That was by no means the end of the matter.

　　事情决不可能到此为止。