that's

英 [ðæts]

美 [ðæts]

那是; 这样; 这是

Collins.5

柯林斯词典

And so, to answer your question, that's why your mother is disappointed
现在可以回答你的问题了，你母亲失望的原因就在这里。
That's one of the things I like about you. You're strong.
这是我喜欢你的一个地方。你很坚强。
That's exactly what I think. You took the words out of my mouth.
那正是我所想的，你说出了我的心里话。
I can boot up from a floppy disk, but that's all
我可以用一张软盘来启动，但其他的就无能为力了。
That's why I must trust you to keep this secret
那就是为什么我必须得相信你会保守这个秘密的原因。
That's just my own opinion.
这只是我个人的见解。
That's my wife you were talking to
刚才和你说话的人是我老婆。
Even if you are right, that's not the way to put it.
就算你对了，也不该那么说呀！
'That's crazy,' I said. 'Isn't it just?' he said
“那简直是疯了，”我说。“谁说不是呢？”他说。
That's a silly question.
那是个愚蠢的问题。