sharpening
v. （使）变得锋利；（感情或感觉）加强；（使）尖锐；（使）提高，改善；（使）声音变得刺耳（sharpen 的现在分词）
n. 削尖
例句
Sharpening judgment by absorbing and reflecting on law is a desirable component of a journalist's intellectual preparation for his or her career.
通过对法律进行理解和反思来提高判断力，是新闻工作者为其职业生涯所做的智力准备中应有的组成部分。
This knife needs sharpening.
这把刀需要磨了。
《牛津词典》
Listen how he is sharpening the knife for it!
听听他是怎么磨刀的！
