例句：
The drug improved mental alertness.
這種藥物提高了大腦的靈敏度。
That purpose is alertness.
這個目的就是警惕。
They also increase alertness and energy.
它們也能提高機敏性和精力。
Diagnose acuteness wet wart is how appearance?
診斷尖銳溼疣是怎麼樣子的？
What is the treatment principle of acuteness wet wart?
尖銳溼疣的治療原則是什麼？
So, acuteness wet wart patient must be treated in time.
所以，尖銳溼疣患者一定要及時治療。
We are conscious of our own aptness to err, and we feel the urgent need of a guide.
我們也深知人性的`軟弱，容易滑跌失敗，所以我們迫切需要有人指引。
On the other hand, there had been an aptness of expression in the earlier Chinese arts.
另一方面，中國早期藝術中就有重表現的特質。
Mine maxim is: experience wind and rain aptness see rainbow, pay out aptness get succeed.
我的座右銘是：經歷風雨才能見彩虹，付出辛勤才能得成功。
With characteristic astuteness, he spoke separately to all those involved.
憑著他特有的精明，他同有關人士一一進行了談話。
Young Singaporeans seem to lack the astuteness and dynamism that they possess.
新加坡年輕人似乎就缺少了那份機靈和朝氣。