idea的意思是：主意;想法;概念;构思;印象;意见;看法;信念；
that的意思是：
pron.那个;(指较远的人或事物或指已提到过或已知的人或事物)那;(特指)那;那种;那些
adv.(以手势表示长度、大小等时用)那样;不很;不那么;(用以强调程度)那么
扩展资料
However, I have no idea where to go.
但是，我拿不定主意去哪儿。
But if you have an idea and I have an idea.
但是。 倘若你有一种思想。我也有一种思想。
I like the idea .
我喜欢这个想法。
She of all people should know the answer to that.
在所有的.人中，唯有她最应知道那个问题的答案。
Id like to come on to that question later.
我想以后再讨论那个问题。
That is no way to treat another human being.
那绝不是对待他人的方式。
Had I known that I would never have come.
要是早知道，我绝不会来的。
