to attend to; to care for; to take into consideration; to pay attention to

(of a shop or business) a customer or patron; to patronize

(bound form) to turn one's head and look; to look around

to visit or call on (someone)

(literary) however; but; on the contrary

the Chinese surname Gu

(literary) used in rhetorical questions to express emphasis or contrary reality, equivalent to 难道 nán​dào or 岂 qǐ