“好吧，”克雷文医生说，“只要他们不吃东西也没问题，我们就不必自寻烦恼了。”
"Well," said Dr. Craven, "so long as going without food agrees with them, we need not disturb ourselves."
“你不必生气。”她公平地地补充说：“因为我也很奇怪——本·威瑟斯塔夫也一样。”
"You needn't be cross," she added impartially, "because so am I queer—and so is Ben Weatherstaff."
“你不必出去，也不必在家里等家庭教师。”汤姆说。
"You don't have to go out or wait for a tutor (家庭教师) at home," Tom said.
阶段性的划分训练周期就是说以16-20周为一个周期，每个周期中有特定的目标，这样你就不用每次都要练习所有的训练方式了，实际上你也不必这样。
Periodization divides a training cycle of, say, 16 to 20 weeks into phases, each with a specific goal, so you don't have to do every type of workout all the time. In fact, you shouldn't.
他什么也不必说我也能知道，那种尊重并非因为我飞速地成长、成熟。
He never even had to say it - I knew. Not that I had matured by leaps and bounds.
比如说代码文件名不一定要和类型名完全匹配，而且包的结构也不必完全匹配实际的目录结构。
Just as file names don't have to match the type names, the package structure does not have to match the directory structure.
英国癌症研究协会的莎拉•荷蒙说：“高个子的人也不必对这个结论过于忧虑。”
Sara Hiom of Cancer Research UK said: "Tall people should not be alarmed by these results."
其实你也不必完全让自己置身事外，你可以这样说："这份工作听起来很有趣，但是坦白说我的上一份工作的薪资要多出30%，并且还是管理人员。
You don't have to take yourself out of the running; you can say, "The job sounds interesting, but frankly I was earning 30% more and supervising people in my last job.
问：这么说你也不必去做一些特别与众不同的事，像攀登乞力马扎罗山之类？
Q: So you don't have to do an extraordinary thing like climb Mount Kilimanjaro?
室内同样也很少有冷的地方，比如说走廊，这样人们不必体验温差。
There are also fewer cold pockets in homes, such as in hallways, leading to less exposure to variable temperatures.
也就是说，即便你的母亲已经85岁高龄了，你也不必一定要接管她的理财事务。
In other words, just because your mother has turned 85, you shouldn't assume you'll have to take over her financial matters.
“知道自己最少可以打三场比赛是非常让人愉快的，”费德勒说，“第一轮就遇到世界前十的选手也不必如此紧张。”
"It's nice knowing that you play at least three matches," said Federer. "Playing a Top 10 player in the first round is what gets your heart pumping to be honest."
尼尔：我在活着的时候也可以回归神，对吗？我是说，我不必等到死的时候才“回家”，对吗？
I can be home with God while I am still alive, can't I? I mean, I don't have to wait until die.
Gulden喜欢说一个大型地域是某个你能沿着任一条路穿行到达另一处的地区，从一边到另一边，什么也不用带，而只需带上钱，以至不必受渴挨饿。
Gulden likes to say a mega-region is somewhere you can walk all the way across, from one side to the other, carrying nothing but some money without ever getting thirsty or hungry.
Schmorrow博士说，就像决定如何对待新信息一样，系统也可以试图通过滤除不必要信息来减轻飞行员的压力。
As well as determining how to treat new information, the system can also try to reduce stress on the pilot by filtering out non-essential information, says Dr Schmorrow.
我想他并非说你不必认真承担责任、工作和对待承诺等，也不是说可以做不正直的人。
I don't think he meant you don't have to take your responsibilities, promises, work, etc. seriously. He didn't mean that it's OK to live life with no integrity.
英国癌症研究中心的SaraHiom说：“身材高大的人也不必为这些结果大惊小怪。
Sara Hiom of Cancer Research UK said: "Tall people should not be alarmed by these results.
我想他并非说你不必认真承担责任、工作和对待承诺等，也不是说可以做不正直的人。
I don't think he meant you don't have to take your responsibilities, promises, work, etc. seriously.He didn't mean that it's OK to live life with no integrity.
如果难于启齿，你大可不必直接说‘不’，也不用以友好但坚决的口气说'我不能做。
"You don't have to say, 'no' if it's uncomfortable, or defend your decision," notes Schwartz. "In a friendly but firm voice just say, 'I can't do it."'
他说自己盼望过星期五，因为这一天他可以穿上旧牛仔裤和T恤衫，而且脖子上也不必套着领带。
2：I look forward to Fridays because that's when we can dress down. I just slip into my old jeans and my tee shirt. What a relief not to have a tie around your neck.
Blankertz博士也说，为避免系统误报引起的不必要的刹车，还有些工作要做。
Dr Blankertz also said more work needs to be done on avoiding false alarms - to avoid the possibility that the machine could misread a drivers' brain signals and brake unnecessarily.
哥伦比亚大学的心理学研究人员Rainer Romero-Canyas解释说，”它最终提供了一种为人们找人的方法，在此，你不必恐惧，也不必担心被拒绝。
It has finally provided a way for people to reach out to someone without fear of rejection.
你什么也不必说，我只是想告诉你。
托尼·斯塔克：有人说最好的武器，是永远也不必发射。
Tony Stark: They say the best weapon is one you never have to fire.
翻看历史我们可以看到那些唱反调的人一开始总会说建造核电站是不必要的，即使协调员认可了必要性，他们也会反驳说核电站是如何的不安全。
If history is any guide, the naysayers will start by saying the plant is not needed, and then, if regulators verify the need anyway, they will revert to saying it is not safe.
我跟一些做过这个工作的人谈过，他们说刚开始是很难，但之后你会因为别人的推荐而得到很多商机，你也不必依赖随机打电话了。
And: I spoke with a few guys who did it and they said it was tough at first, but later on you get a lot of business from referrals so you don't have to rely on cold calling.
“你不必成为火箭科学家。”美国人经常听到这句话。人们会在学校、办公室和工厂说这个词语，无线广播和有限电视广播也使用这个词语。
"You do not need to be a rocket scientist." Americans hear these words often. People say them in schools, offices and factories. Broadcasters on radio and television use them.
我们停在路旁，司机通过播音器说：只是爆胎，不用惊慌也不必咒骂。
We pulled over and the driver got on the intercom: It's just a flat tire, he said, and there's no need to panic and no need to curse.
我们停在路旁，司机通过播音器说：只是爆胎，不用惊慌也不必咒骂。
We pulled over and the driver got on the intercom: It's just a flat tire, he said, and there's no need to panic and no need to curse.
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