小主 (xiǎo zhǔ) — Young Mistress

Example Usage

小主，您的奶茶已准备好，请取餐。

Young Mistress, your bubble tea is ready for pickup.

Cultural Context

The honorific servants used for junior concubines in 甄嬛传. After the show went viral, Chinese businesses — especially e-commerce and milk tea chains — adopted it to make customers feel like royalty. Now completely mainstream in customer service.