高端大气上档次低调奢侈有内涵
[gāo duān dà qì shàng dàng cì dī diào shē chĭ yŏu nèi hán]
This phrase combines high-end qualities such as elegance and luxury, aiming to convey that the person or subject has sophisticated and refined qualities, though it may do so subtly or discreetly.