例句：
The drug improved mental alertness.
这种药物提高了大脑的灵敏度。
That purpose is alertness.
这个目的就是警惕。
They also increase alertness and energy.
它们也能提高机敏性和精力。
Diagnose acuteness wet wart is how appearance?
诊断尖锐湿疣是怎么样子的？
What is the treatment principle of acuteness wet wart?
尖锐湿疣的治疗原则是什么？
So, acuteness wet wart patient must be treated in time.
所以，尖锐湿疣患者一定要及时治疗。
We are conscious of our own aptness to err, and we feel the urgent need of a guide.
我们也深知人性的`软弱，容易滑跌失败，所以我们迫切需要有人指引。
On the other hand, there had been an aptness of expression in the earlier Chinese arts.
另一方面，中国早期艺术中就有重表现的特质。
Mine maxim is: experience wind and rain aptness see rainbow, pay out aptness get succeed.
我的座右铭是：经历风雨才能见彩虹，付出辛勤才能得成功。
With characteristic astuteness, he spoke separately to all those involved.
凭着他特有的精明，他同有关人士一一进行了谈话。
Young Singaporeans seem to lack the astuteness and dynamism that they possess.
新加坡年轻人似乎就缺少了那份机灵和朝气。