筝

guzheng or long zither / long zither with 13 to 16 strings, developed from guqin 古琴 during Tang and Song times / Japanese koto

to strive for / to vie for / to argue or debate / deficient or lacking (dialect) / how or what (literary)

bamboo / CL:棵[ke1],支[zhi1],根[gen1] / Kangxi radical 118