钢琴: piano...
新鲜: fresh (experience, food etc), freshness, novel, uncommon...
嫂子: (coll.) older brother's wife, sister-in-law...
出版: to publish...
以至: down to, up to, to such an extent as to..., also written...
发挥: to display, to exhibit, to bring out implicit or innate qualities, to express (a thought or moral), to develop (an idea), to elaborate (on a theme)...
课题: task, problem, issue...
散布: to disseminate...
