不正眼看你是看不起你
[bù zhèng yăn kàn nĭ shì kàn bù qĭ nĭ]
Not Giving A Direct Look At You Is Disrespecting You – suggests if one does not look straight into another’s eyes while interacting, it can mean they think little of that person; emphasizing the importance placed on direct eye contact in social situations for some cultures especially in China.