你还有一半没吃完呢！

Nǐ hái yǒu yíbàn méi chīwán ne!

You still have half of it to eat!

比赛已经进行到一半了。

Bǐsài yǐjīng jìnxíng dào yíbàn le.

The competition is already halfway done.

八点半。

Bā diǎn bàn.

Eight thirty.