Who did you vote for?是什么意思？

Who did you vote for?

你投谁的票?

who

pron. 谁，什么人，关系代词，有先行词，孰；

例句
The last French king was Louis Philippe, who abdicated in 1848.
法国末代国王是1848年逊位的路易·菲力普。

did

v. 做( do的过去式)，干，学习，研究；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

vote

v. 投票，选举，提议，投票表决，公认，由舆论决定；n. 投票，表决，投票数，投票权，决议；

例句
The Socialist candidate has captured eighty-five per cent of the vote in the three-way presidential race.
社会党候选人在这场三人角逐的总统竞选中已经获得85%的选票。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。