5 sentences

1. 我们需要柴火，不是牙签。

   wǒ​men xū​yào chái​huo, bù​shì yá​qiān.

   We need firewood, not toothpicks.

   Source: AI Challenger 2017

2. 我们还需要柴火。

   wǒ​men hái xū​yào chái​huo.

   We need more firewood.

   Source: AI Challenger 2017

3. 夏天我们真的需要柴火吗？

   xià​tiān wǒ​men zhēn​de xū​yào chái​huo ma?

   Do we really need firewood in the summer?

   Source: OpenSubtitles

4. 我去找些柴火。

   wǒ qù zhǎo xiē chái​huo.

   I am going to get some firewood.

   Source: AI Challenger 2017

5. 你也想买柴火？

   nǐ yě xiǎng mǎi chái​huo?

   You want to buy firewood too?

   Source: OpenSubtitles