袖手旁观

to watch with folded arms (idiom); to look on without lifting a finger

sleeve / to tuck inside one's sleeve

hand / (formal) to hold / person engaged in certain types of work / person skilled in certain types of work / personal(ly) / convenient / classifier for skill / CL:雙|双[shuang1],隻|只[zhi1]

one side / other / different / lateral component of a Chinese character (such as 刂[dao1], 亻[ren2] etc)

spectator / non-participant

surname Guan

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

Taoist monastery / palace gate watchtower / platform