Fig. to confuse someone. You threw me for a minute when you asked for my identification. I thought you recognized me. The question the teacher asked was so hard that it threw me, and I became very nervous.
throw
1. n. a try; a time. Have another throw at it, why don’t you?
2. tv. to confuse someone. The question really threw me.
throw
/toss(one's) hat into the ring
To enter a political race as a candidate for office.