她的背叛让我完全措手不及。

Her betrayal took me completely off guard.

youdao

不过我完全措手不及由航空的出价后卫，但他一直很客气。我认为这是我自己的业务，并没有想到我，其他人将提供帮助我选择的课程。

I thought it was my own business and it had never occurred to me that some other individual would offer to help with my selecting the courses.

youdao

我已经很多次遇到电脑在期限内出问题的情况，大多数是完全措手不及。

I've been on caught in situations where I had computer issues on a deadline far too many times, and many of those times, I was completely unprepared.

youdao