that'd

剑桥词典

short form of that would or that had
（that would 或 that had 的缩略形式）
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。 返回 that'd