你功课变差，我并不感到惊讶。
他随着年事增高，记忆力就变差了。
眼球晶状体的柔韧性随着年龄的增长而降低；因此普遍的情况是随着我们年纪变老，我们的视力就会变差。
The flexibility of the lens decreases with age; it is therefore common for our sight to worsen as we get older.
在我看来，经常使用手机阅读会导致视力变差。
In my opinion, reading on mobile phones too often is the cause of having poor eyesight.
一些年轻粉丝可能过于关注他们的偶像，以至于成绩变差。
Some young fans might pay so much attention to their idols that their grades get worse.
一些研究表明，使用互联网使我们的注意力持续时间变短、记忆力变差。
Some studies show Internet use is making our attention last shorter and our memory worse.
根据一项研究，如果孩子频繁使用社交媒体，特别是在晚上，他们的睡眠将会变差，也会感觉更焦虑和消沉。
According to the research, if a kid uses social media a lot, especially at night, he or she will sleep worse and feel more nervous and depressed.
所以食物质量肯定变差了。
我们都听过一些关于视力变差的常见谣言。
We have all heard some of the common myths about how eyesight gets bad.
例如，有些人认为戴眼镜也会慢慢使视力变差。
For instance, some people believe that wearing glasses too soon weakens the eyes.
例如，有些人认为戴眼镜也会慢慢使视力变差。
Some people believe that wearing glasses too soon weakens the eyes.
压力过大，失去控制时，可能表现会变差，健康也会出问题。
When stress gets out of control, it can lead to poor performance and ill health.
她在一家广播电台工作了一年，一直感受到自己的身体在变差。
She worked at a radio station for a year, always aware that her body was degenerating.
他说：“戴这副眼镜的原因是多年的工作使他的眼睛变差了。”
"The reason for wearing these," he said, "was that his eyes had been weakened by the work of many years."
四分之一的学生报告说，在课上使用数码设备导致他们的成绩变差。
A quarter of students report that their use of digital devices during class causes their grades to suffer.
如果我的身体再次变差，只会让他失望——而且我的病情可能今晚就会会恶化。
It will only disappoint him if I get worse again—and I may get worse this very night.
另一方面，婴儿无论是否与母亲睡在同一个房间，他们的睡眠质量似乎都没有变差。
Infants, on the other hand, didn't appear to have worse sleep whether they slept in the same or different room from their mothers.
这个问题因另外的理由而逐渐变差。
如果不认真对待，好网站可能变差。
If we are not taken seriously, then good websites can go bad.
当你变老的时候，你的记忆力会变差。
“不是索尼在这方面变差了，”他说。
我发觉自己的听力变差了。
当境况变差时，最优策略就是保守行事。
As conditions get worse, the optimal strategy becomes more conservative.
随即，环境又开始变差，直到下一次清洗。
Then immediately, the environment starts to degrade again until the next cleaning. .
随即，环境又开始变差，直到下一次清洗。
Then immediately, the environment starts to degrade again until the next cleaning.
因其费油和军用车型不大流行致使销售变差。
Its sales have suffered as the gas-guzzling performance and military image have become less popular.
我们有了更多的知识，但我们的判断力变差了。
当频繁的切换窗口任务时，他们的表现就变差。
When they toggled between Windows and other tasks, they performed worse.
正是因为我的这些行为，真的使我们关系变差了。
Because of my actions, I actually cause the relationship to fail.
正是因为我的这些行为，真的使我们关系变差了。
Because of my actions, I actually cause the relationship to fail.
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