不亢不卑

tā duì shàng si cóng lái bù kàng bù bēi

他对上司从来不亢不卑。

He is often neither supercilious nor obsequious to his superiors.

wǒ zài tā miàn qián bù kàng bù bēi

我在他面前不亢不卑。

I'm neither haughty nor humble when staying with him.

wǒ yǔ dì wáng tóng xíng què bù kàng bù bēi

我与帝王同行却不亢不卑。

I walk with Kings in an appropriate way.