They are worried they aren't involved in enough physical activity at school.
他们担心他们在学校里参加的体育活动不够。

Ron, I should tell you most Muggles aren't accustomed to seeing a flying car.
罗恩，我该告诉你，大多麻瓜份子不太习惯看到飞车。

We don't have to pay the grain tax anymore, but our lives aren't much better.
我们不用交谷物税了, 但生活也没多少改善。

Make sure the wet sheets aren't bunched up otherwise they won't dry properly.
确保湿被单别打褶，否则他们干得不整齐。

People who get stuck in a groove aren't able to adapt themselves to the times.
因循守旧的人必然适应不了时代的发展。

Because they aren't delicate goods, and won't likely by damaged on the voyage.
因为这不是易损易碎的货物, 航行中不可能损坏。

Because probes aren't used, it doesn't matter if list at a cell becomes empty.
因为不需要探测, 无所谓链表中的某一项是否为空。

It doesn't matter how fast you can read if you aren't reading anything important.
重要得不是你能读得多快而是你读得东西是否重要。

You don't judge ill of a fellow simply because his clothes aren't clean and tidy?
你总不会因为一个人衣着不整洁认为他心怀叵测吧？

I don't like to keep any details that aren't essential parts of the poem's clock works.
我不喜欢留下任何对诗的组成无关紧要的部分。

Smart people aren't confused, Empathetic people don't worry, Brave people aren't afraid.
知者不惑，仁者不忧，勇者不惧。

And there aren't a lot of glaciers here, except on the high mountains here in East Africa.
也没有什么冰河，除了在东非的一些高山上。

It's just the Persians who aren't fully human and don't deserve to be treated very nicely.
只有波斯人是次等人不应该对他们太好了

Real reason isn't you aren't enough refined, consideration or gentleness, it isn't to love.
真正的理由，不是你不够娴淑，贴或温柔，是不爱了。

For a discussion of the behavior when allocators aren't equal see the implementation details.
有关分配器不同时得行为得讨论, 请见实现细节。

Now, we aren't really used to talking about this, about talent, about creativity, in this way.
现在这真的已经是老生常谈，用这种方式谈才能及创意。

And haven't we all been admonished about making assumptions, or aren't we jumping to conclusions ?
我们是否已经被警告做了最坏得假设?

Afterwards gradually understand, some people aren't free, some dreams also destining can be a dream.
后来渐渐明白，有些人是不自由的，有些梦也注定只能是梦。

Most viruses aren't activated--and will not spread--until you use the stuff in which they 're hiding.
大多数病毒不会被激活而且也不会扩散，除非你使用了藏有病毒的东西。

don't think that there is evolution by natural selection, and aren't persuaded by the safety of vaccines.
也不认为有物竞天择这回事，也不相信疫苗的安全。

Aren't you always saying that young adolescents are undependable because they do not have hair on their faces.
你不是老说年轻人办事不牢是因为嘴上没毛么！

The birds that aren't quite airworthy have to plunk down in the gentle surf where tiger sharks are waiting for them.
那些不太耐飞的鸟不得不落在有虎鲨等候的轻缓海浪里。

There are some people who are very arrogant but who aren't actually competent, and I personally most hate such people.
我最恨这种整天跳踉的人。

The dishes have been piled up for a week. I guess my roommate hasn’t figured out that the dishes aren’t gonna wash themselves.
那些碗都一周堆在那儿了，室友至今认为这些碗会自己洗干净。

Indeed, there are still structural obstacles to a dramatic overhaul of Japan's corporations. Accounting systems aren't easily understood, bankruptcy laws are inadequate, the judicial process is slow.
要对日本公司进行彻底改造，在体制方面还存在一些障碍：会计制度晦涩难懂，破产法不健全，司法程序拖沓冗长。