哪儿

1. where

♦ 他上~去啦？ Where has he gone?

2. wherever; anywhere

♦ ~需要, 我就上~去。 I'll go wherever I'm needed.

♦ ~都找不到他。 He is nowhere to be found.

3. (used in rhetorical questions to express negation)

♦ 我~知道他不吃牛肉。 How was I to know he didn't eat beef?