ne 呢 (a particle)

used at the end of a question

Nǐ shuō tā huì bú huì lái ne?
你说他会不会来呢？
Can you tell me whether he will come?

Wǒ yào yì bēi niú-nǎi, nǐ ne?
我要一杯牛奶，你呢？
I want a glass of milk, what about you?

used to mark a pause

Zhè ge wèn-tí ne, wǒ-men hái zài yán-jiū.
这个问题呢，我们还在研究。
As for this problem, we are still researching on it.

used at the end of a declarative sentence to reinforce the assertion

Wǒ hái méi zhǔn-bèi hǎo ne.
我还没准备好呢。
I am not ready yet.