Modifier + 顾客
The noun 顾客 (gùkè) means "customer" or "patron" and refers to someone who visits a business to purchase goods or services. It is a common word in both spoken and written Chinese, used in contexts ranging from retail to dining.
这家店的顾客越来越多,生意特别好。
zhè jiā diàn de gùkè yuè lái yuè duō, shēngyì tèbié hǎo.
This shop has more and more customers, and business is especially good.
作为顾客,我觉得他们的服务态度很差。
zuòwéi gùkè, wǒ juéde tāmen de fúwù tàidù hěn chà.
As a customer, I think their service attitude is very poor.
商场里的顾客都在排队等着结账。
shāngchǎng lǐ de gùkè dōu zài páiduì děngzhe jiézhàng.
The customers in the mall are all lining up to check out.