4 sentences

1. 我的后脑勺就有刺青。

   wǒ​de hòu​nǎo​sháo jiù yǒu cì​qīng.

   I have a tattoo on the back of my head.

   Source: UM-Corpus: News

2. 我只看到了他的后脑勺。

   wǒ zhǐ kàn dào le tā de hòu​nǎo​sháo.

   I only saw the back of his head.

   Source: CCMatrix

3. 你能看见自己的后脑勺吗？

   nǐ néng kàn jiàn zì​jǐ de hòu​nǎo​sháo ma?

   Can you see the back of your own head?

   Source: CCMatrix

4. 他们会以为你后脑勺上长了眼睛。

   tā​men huì yǐ​wéi nǐ hòu​nǎo​sháo shang zhǎng le yǎn​jing.

   They will think you have eyes on the back of your head.

   Source: CCMatrix