我们都熟知"that is......"句型，那"that is that"是什么意思呢？

that's that

这个短语往往指一种消极的情绪，表示就这样定了，就这样定了（决定已经无法更改，无能为力）。

All right, so that's that.

好吧！这事儿就这样了啦。

'Well, if that's the way you want it,' he replied, tears in his eyes, 'I guess that's that.'

“好吧，如果那就是你想要的，”他两眼含泪说道，“我想那就这样吧。”

那我们再来看看"that"的其他短语叭！

and (all) that

英英释义：and everything else connected with an activity, a situation, etc.

意思是指等等；以及诸如此类的事物 。

Did you bring the contract and (all) that?

合同什么的你都带来了吗？

that is(to say)

英英释义：used to say what sth means or to give more information

意思是也就是说；换句话说。

You'll find her very helpful─if she's not too busy, that is.

你会觉得她很肯帮忙，那是说如果她不太忙的话。

He's a local government administrator, that is to say a civil servant.

他是地方ZF的行政官员，也就是公务员。