肉眼观察

observation by naked eye

meat / flesh / pulp (of a fruit) / (coll.) (of a fruit) squashy / (of a person) flabby / irresolute / Kangxi radical 130

naked eye / layman's eyes

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

to observe / to watch / to survey / to examine / observation / view / perspective / CL:個|个[ge4]

to observe; to watch; to survey

short name for Chahar Province 察哈爾|察哈尔[Cha2 ha1 er3]

to examine / to inquire / to observe / to inspect / to look into / obvious / clearly evident

variant of 察[cha2]