that'd
uk/ˈðæt.əd/ us/ˈðæt̬.əd/
（that would 或 that had 的缩略形式）
short form of that would or that had
That'd (= That would) be nice, don't you think? 要是那样就好了，你觉得呢？
When it happened, I didn't realize that'd (= that had) been the reason. 事情发生的时候，我没有意思到原来是那个原因。