贝多芬的痛苦无人知
[bèi duō fēn de tòng kŭ wú rén zhī]
Beethoven's Pain Known By None: Expresses admiration for Beethoven while acknowledging his suffering which was largely unknown or ignored during his lifetime. It could be used by someone empathetic towards Beethoven’s loneliness and struggles despite his greatness, relating their own sense of isolation or misunderstood talent.