1
- in or to what place or position在哪里; 到哪里：
where do you live?
您住在哪里？
with prep. I wonder where they will take us to.我不知道他们将带我们到哪儿去。
1.1
- in what direction or respect往哪里; 在哪一方面：
where does the argument lead?
这个辩论导向哪里？
1.2
- in or from what source从哪里：
where did you read that?
你从哪儿读到那个的?
1.3
- in or to what situation or condition处于何种情况（或地步）; 到何种情况（或地步）：
just where is all this leading us?
这一切要将我们引向何处？
1
- at, in, or to which (used after reference to a place or situation)在那里; 到那里（用在地点或情况先行词之后）：
I first saw him in Paris, where I lived in the early sixties.
我第一次见他时是在巴黎, 60年代初我住在那里。
2
- the place or situation in which在那里; 在那种情况下：
this is where I live.
这是我的住处。
2.1
- in or to a place or situation in which在（或到）那里; 在那种情况下：
sit where I can see you
坐在我能看见你的地方
where people were concerned, his threshold of boredom was low.
只要与人有关, 他就容易感到厌烦。
2.2
- in or to any place in which; wherever任何地方; 无论哪里：
he was free to go where he liked.
他想去哪儿就去哪儿。
词源
Old English hwǣr, of Germanic origin; related to Dutch waar and German wo.