作为一个教授，她应当知道不该卷入这种丑闻。(实际上她已经卷入了)。

As a professor, she should have known better than to get involved in such scandal.

youdao

她已经去上洗手间了。

She had gone in to use the toilet.

《柯林斯英汉双解大词典》

实际上，她已经决定好穿那双鞋，并不需要什么意见；她只是要确认自己看上去是否漂亮。

She'd already decided which shoes she was going to wear and didn't want another opinion on it; she wanted confirmation that she looked good.

youdao