钢琴: piano...
精美: delicate, fine, refinement...
常规: code of conduct, conventions, common practice, routine (medical procedure etc)...
音乐会: concert...
狠心: callous, heartless...
依法: legal (proceedings), according to law...
坑: hole; pit; hollow, tunnel; pit...
改正: to correct, to amend, to put right, correction...
俯视: to overlook, to look down at...
飙升: to rise rapidly, to soar...