我一定疯了。

I must have been crazy.

youdao

他一定认为我疯了。

He must think I was crazy.

youdao

你一定认为我疯了。

And you think I'm crazy.

youdao

当我把我的新外套花了多少钱告诉丈夫时，他说花那么多钱我一定发疯了。

When I told my husband how much my new coat cost he said I must have gone off my head to spend so much.

youdao

你一定认为我是个傻瓜或是疯了。

You must think I am a fool and crazy .

youdao

“我看您一定疯了，我的朋友。”男爵夫人说。

You must be mad, my friend, "said the baroness."

youdao

“我看您一定疯了，我的朋友。”男爵夫人说。

You must be mad, my friend, "said the baroness."

youdao