1. 你哪儿不舒服?

[ nǐ nǎ ér bù shū fú ? ]

What's your trouble?

2. 你想在哪儿见面?

[ nǐ xiǎng zài nǎ ér jiàn miàn ? ]

Where do you want to meet?

3. 我需要换乘11路公共汽车，但是汽车站在哪儿?

[ wǒ xū yào huàn chéng 11 lù gōng gòng qì chē ， dàn shì qì chē zhàn zài nǎ ér ? ]

I have to transfer to No. 11 bus, but where is the bus stop?