Sometimes they make trouble, but sometimes they can help us.
有时他们会制造麻烦，但有时他们可以帮助我们。
有时则不然。
Sometimes friendships naturally arise, but sometimes they don't.
又是友谊会自然的产生，但是有时候是需要努力的。
Sure, it would be better if things went according to plan, but sometimes they don't.
当然，如果事情都按照计划进行会更好，但是事情有时并不会这样。
Rewards work under some circumstances but sometimes they backfire. Spectacularly.
奖励在一些情形下有用，而在一些情况下却会适得其反。
But sometimes they collide, in that they provide rival explanations for the same phenomena.
但有时它们也是相互冲突的，因为它们针对相同的现象提出了对立的解释。
We won't be using them a great deal in these tutorials, but sometimes they are invaluable.
我们不会在这些教程使用它们，但有时他们是无价的。
Women really want to be treated equally, but sometimes they don't seem to have many choices.
虽然女性很想获得平等的待遇，但有时她们似乎没有太多的选择。
City people are polite to strangers, but sometimes they won't bother to direct you to a bus station.
城里的人对待陌生人都是很有礼貌的，但是有时他们不会直接让你把他们送到车站。
Although officers were very strict with us when in training, but sometimes they would show their kindness.
教官们虽然在训练时很严厉，但是有时却表现出他仁慈的一面。
Most of the dolls and accessories we use are ours, but sometimes they are provided by friends and colleagues.
大多数的娃娃及配件都是我们自己的，有时候朋友和同事会提供。
Sometimes they do, but sometimes they don't - no one knows enough to predict what will happen this time around.
有时候，事实确实如此。但有些时候，却不是——没有人可以充分地了解这些，目前还不足以预测这次将发生什么。
They also tend to have a creative streak but sometimes they display an escapist attitude and impractical nature.
他们还充满创造力，但有时会表现出逃避现实或不切实际的一面。
I frequently encountered humans in cages, usually dazed or drugged, but sometimes they cried and begged for help.
我经常遇到在笼子人类，通常是茫然或麻醉，但有时他们哭着求帮助。
I'm not impugning the integrity of local hires, but sometimes they feel the burden of bridging the cultural divide.
我不是打击当地雇员的诚信，而是他们有时会感觉到跨越文化差异的负担。
Usually they will target a film first, and set out to see that, but sometimes they will just go and choose when they get there.
通常他们会看中一部影片，然后确定要不要观看，但有时也会到了影院才决定看什么。
Typically these should include main characters and a representative scene from that film but sometimes they are too exaggerated.
一般应包括影片的主角和代表性场景，但有时它们显得过于夸张了。
Ichiro Suzuki and Hideki Matsui are baseball heroes, but sometimes they seem like superhuman demi-gods living on a higher plane.
铃木一朗和松井秀喜是棒球英豪，但是更多的时候，他们就像是神一般高高在上地存在于我们的心中。
Outdoor advertising usually does not trigger a reaction in teenagers, but sometimes they will oppose it (the Benetton baby adverts).
户外广告通常不能引起青少年的注意，但有时他们会反对它(如Benetton的婴儿广告)。
It seems like common sense that foods labeled "sugar free" would have no effect on sugar levels in the blood. But sometimes they do.
食物上只要标明“无糖”，就不会影响人的血糖含量，这似乎是一个常识。但有时血糖含量还是会收到影响。
Usually, the spider would slip away after no more than a day or two, never to be seen again, but sometimes they hung around longer.
一般情况下，我逮来的蜘蛛一两天就逃走了，从此不见踪影，但有时它们会待比较长的时间。
We try not to indulge in rumors here at YD but sometimes they do provide fuel for inspiration, such is the case with this MacBook Touch.
我们尽量不沉迷于在YD的谣言，但是有时他们也能提供灵感的源泉，例如有关MacBook Touch的事件。
Sometimes the new classes learned rapidly, but sometimes they were very slow, and then Miss Richards had to repeat things many times.
有时候，新带动班级学得很快，但有的却很慢，于是乎瑞姹小姐不得不重复许多次。
They can farm land and provide bothfood and jobs in their countries, but sometimes they need a littlehelp, in forms that will work for them.
在自己的国家他们可以种地，生产粮食，提供就业机会。但有时候他们需要一点帮助，对他们能起效的帮助。
The team's goal was to cycle 100 kilometers a day, but sometimes they had to continue riding in the night before reaching a safe place to sleep.
这支团队的目标是每天骑行100公里，可有时为了寻找安歇之地，就不得不连夜赶路。
Transitive verbs of Chinese usually can be followed by patient objects, but sometimes they can't be followed by object and still are transitive verbs.
汉语中的及物动词通常能带受事宾语，但在使用中有时可不带宾语，这时动词依然还是及物动词。
Transitive verbs of Chinese usually can be followed by patient objects, but sometimes they can't be followed by object and still are transitive verbs.
汉语中的及物动词通常能带受事宾语，但在使用中有时可不带宾语，这时动词依然还是及物动词。
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