眼觀四面，耳聽八方

lit. the eyes observe all sides and the ears listen in all directions (idiom) / fig. to be observant and alert

eye / small hole / crux (of a matter) / CL:隻|只[zhi1],雙|双[shuang1] / classifier for big hollow things (wells, stoves, pots etc)

surname Guan

to look at / to watch / to observe / to behold / to advise / concept / point of view / outlook

Taoist monastery / palace gate watchtower / platform

four / 4

all sides

face / side / surface / aspect / top / classifier for objects with flat surfaces such as drums, mirrors, flags etc

variant of 麵|面[mian4]

flour / noodles / (of food) soft (not crunchy) / (slang) (of a person) ineffectual / spineless

ear / handle (archaeology) / and that is all (Classical Chinese)

(literary pronunciation, still advocated in Taiwan) to rule / to sentence / to allow

to listen to; to hear / to heed; to obey / a can (loanword from English "tin") / classifier for canned beverages / to let be; to allow (Taiwan pr. [ting4]) / (literary) to administer; to deal with (Taiwan pr. [ting4])

eight; 8

the eight points of the compass / all directions

surname Fang

square / power or involution (math.) / upright / honest / fair and square / direction / side / party (to a contract, dispute etc) / place / method / prescription (medicine) / just when / only or just / classifier for square things / abbr. for square or cubic meter