youd的全写是you had,或者是you would、you would。表示过去完成时,表示“已经”,
例句：
I think you'd better tell us why you're asking these questions.
我想你最好告诉我们你为什么要问这些问题。
With your hair and your beautiful skin, you'd look good in red and other brightcolors.
以你的发色和漂亮的肤色，穿红色或者其他亮色的衣服会很好看的。
You'd be mad to work with him again
你要再和他一起工作那简直是疯了。
I knew you'd be here. I just knew
我知道你会在这儿的。我就是知道。
How was I to know you'd return so suddenly?
我怎么知道你会这么突然就回来？
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