They had to do with the riddle of his existence.
他们必须解开他的存在之谜。
Neither side wanted to give up the island, but they knew they had to do something.
双方都不想放弃这个岛，但他们知道必须做点什么。
Sensors and circuits were on the brink of failing and NASA experts realised that they had to do something or lose contact with their probe forever.
传感器和电路濒临故障，NASA的专家们意识到他们必须做点什么，否则将永远与探测器失去联系。
All they had to do was catch them.
村民所要做的注是捕捉青蛙。
So they had to do some rearranging.
因此，他们必须要重新调整一下。
All they had to do was hijack an airplane.
他们要做的，仅仅是劫持一架飞机。
They had to do that whether they would or not.
不管愿不愿意，他们都得这样做。
And on defense, they definitely did what they had to do.
在防守端，他们也完全做到了他们应该做的。
Interesting is the letter writing that they had to do.
最有意思的是书信写作。
This is the fifth space walk they had to do on this mission.
这已经是他们为完成此项任务所做的第五次太空行走。
All they had to do was pull a nylon stocking over their TV screen.
观众们需要做的就是把一条尼龙袜蒙在电视机上，然后就可以看到彩色画面了。
All they had to do was call the museum to make special arrangements.
他们只需事先打电话到博物馆做些特别的安排就行了。
If they made a mistake, they had to do their homework all over again.
如果写错的话，就得全部重写一遍。
The couple said they would still turn in the cash if they had to do it over.
夫妇称如果要再做决定还是会上交。
All they had to do was say which line on the right matched the one on the left.
他们所需做的仅是指出右侧中的哪一条线段与左侧的线段等长。
I just had to make them understand what they had to do to come back [from 2-0 down].
我所要做的只是让他们明白(在0 - 2落后的情况下)要如何迎头赶上。
The QQ company said that they had to do this because the 360 company should be to blame.
QQ公司表示，他们不得不这样做，因为360年的公司应该是责任。
Grandpa and Grandma were quiet, peaceful, unemotional people who every day did what they had to do.
外公和外婆他们是很恬静，很慈善以及不易动感情的人他们每天都有不得不做的事。
Each team planned, organized and executed what they had to do, some with hardly any teacher supervision.
每个团队都认真按照计划执行。有些任务甚至都无需老师指导便顺利完成了。
All they had to do was devote their lives from earliest girlhood to finding a husband and bearing children.
她们所要做的就是把她们的生活从小女孩变成寻找一个好丈夫和哺育她的孩子。
When pushed into a dark corner of life, they dug deep inside to simply do what they had to do in that moment.
当生命被推入了一个黑暗的角落里的时候，他们深深地挖掘自己的内心深处，在那一刻仅仅做了自己该做的事。
Because the protein was large, they had to do some metabolic engineering to enable the bacteria to produce it.
因为蜘蛛蛋白较大，所以科学家们不得不实施一些新陈代谢工程来驱使细菌对其进行生产。
After this discovery, all they had to do was to find the best kinds of materials for carrying the human voice over wires.
这一发现后，他们所要做的就是要找到一种最好的能在导线上传递人类声音的材料。
Four Hags, grinning and leering, yet also (at first) hanging back and half afraid of what they had to do, had approached him.
四个老巫婆龇牙咧嘴，斜眼看着阿斯兰，她们走近他身边时，开头也犹豫不前，对要做的事有点害怕。
They do a release on a regular basis which is very similar to what Agile teams do without even realizing it and then feel ashamed that they had to do it.
他们定期的进行发布，这种做法跟敏捷团队的做法很相似，不过他们却没有意识到这点，并因为不得不这样做而感到羞愧。
“All they had to do was pluck the fruit of their opponents’ mistakes, ” commented Ridha Kéfi, the widely read editor of Kapitalis, a Tunisian news website.
“他们所要做的就是享受建立在竞选对手错误基础上的胜利果实。” 突尼斯一家访问率很高的新闻网站[Kapitalis]编辑Ridha Kéfi如是说。
They knew that it was an opportunity and not a guarantee, and that they had to do their part to be able to take advantage of what this country offered.
他们知道这是一个机会，但不是保证。他们必须尽自己的努力，才能获得这个国家提供的机会。
Even though their attention wandered, the Lakers eventually did what they had to do when they had to do it. This is another sign of good things to come.
虽然期间他们的注意力有所分散，湖人最后还是做到了他们必须做的一切。这也是一个很好的信号。
Even though their attention wandered, the Lakers eventually did what they had to do when they had to do it. This is another sign of good things to come.
虽然期间他们的注意力有所分散，湖人最后还是做到了他们必须做的一切。这也是一个很好的信号。
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