加料鋼琴

prepared piano

to add / plus / (used after an adverb such as 不, 大, 稍 etc, and before a disyllabic verb, to indicate that the action of the verb is applied to sth or sb previously mentioned) / to apply (restrictions etc) to (sb) / to give (support, consideration etc) to (sth) / Canada (abbr. for 加拿大[Jia1 na2 da4]) / surname Jia

to feed in / to load (raw material, supplies, fuel etc) / to supply / fortified (with added material)

material / stuff / grain / feed / to expect / to anticipate / to guess

steel

piano / CL:架[jia4],臺|台[tai2]

guqin 古琴[gu3 qin2] (a type of zither) / musical instrument in general

variant of 琴[qin2], guqin or zither