sharpened

基本解释

Behind these sharpened conflicts lies something still more troubling.
这些尖锐冲突的背后还有更麻烦的事。
America has yet to get behind these proposals, but a sharpened Security Council could mitigate the emerging world’s objections to UN reform.
美国还没有去支持这些提议，但一个尖锐的安理会可以缓和兴新世界要求联合国改革的反对声。
In the pastoral areas of northern Kenya, southern Ethiopia and south Somalia the death of livestock on a massive scale has sharpened conflict.
在肯尼亚北部，埃塞俄比亚南部和索马里南部的游牧地区，牲口的大规模死亡使原有的冲突更加尖锐。

The disease had sharpened my senses -- not destroyed them.
You just kind of swept them under the rug, but now, you are out there in full force with your knives sharpened.
只是把它们隐藏起来了，但是现在，竭尽全力站在那儿,拿着削尖了刀。
麻省理工公开课 - 固态化学导论课程节选
That report,plus the revelation last month of the nuclear plant near Qom, has sharpened international focus on the Iranian program.

While introducing McCain, Palin sharpened her attacks on Obama and his running mate, Joe Biden.
NPR: With Economy As Focus, Candidates Hit Trail

If your senses, understanding, or skills sharpen or are sharpened, you become better at noticing things, thinking, or doing something.
If you sharpen an object, you make its edge very thin or you make its end pointed.