如果一定要来，我们至少要成双成对地来；那我们基本上就没事了。
If we have to come, we come in couples, at least; then we're generally all right.
如果一定要买奔驰，那可以买两年的旧车但是车况很好的。
Rather than insist on the brand new Mercedes, buy one that is two years old but in great condition.
如果一定要下个定论，我们可以设想，这能简单地归结为一个数字游戏。
If we had to bet, we would imagine that it simply comes down to a Numbers game.
我建议如果一定要穿，要间歇性地穿，不要一天8小时都穿。
I suggest if you must wear, to intermittently through 8 hours a day, do not wear.
任何情况下，背后不说她人是非。如果一定要你说，说好话。
In any case, behind don't say she's wrong. If have to say you, say a good word.
如果一定要做的话，就做个做实事的人，而不是被监督时才能做事的人。
If you have to choose, be the one who does things, instead of the one who is seen to do things.
如果一定要赋予大学教育一个切实的目的，我的主张是培养社会的好公民。
If then a practical end must be assigned to a University course, I say it is that of training good members of society.
可如果一定要在户外锻炼，你也许会有很多疑虑：要多久才能适应湿热的条件？
But if you're going to be out exercising anyway, you may have different questions: How long does it take to acclimate to the heat and humidity, and what is the best way to do it?
如果一定要从智力方面进行比较的话，那么对所有被比较者来说，前两个因素必须是一样的。
The first two must be equal for all who are being compared, if any comparison in terms of intelligence is to be made.
如果一定要使用一个非线程安全的模块，可以通过只使用一个，或只在一个线程中使用来保护。
If you need multiple threads to access such a module, you can use semaphores and lots of programming discipline to control access to it.
当你情绪低落的时候，避免去做人生中的重大决定。如果一定要做出决定，最好向可信赖的朋友或家人寻求帮助。
While you're depressed, try to avoid making any major life decisions. If you have to, ask a trusted friend or family member for help.
如果一定要推测，我会说这张画面应该是大约5年前，CCTV为新总部项目的形象而制作的新闻资料袋的一部分。
If I had to surmise, I would say that CCTV produced the image as part of its own press kit on the new headquarters project some five years ago.
《暮光之城》的作者StephenieMeyer表示，如果一定要选，她宁愿做狼人，而不愿做吸血鬼。
Twilight author Stephenie Meyer said that, if forced to chose, she would rather be a werewolf than a vampire.
限制一下看电视，使用计算机或玩游戏的时间，如果一定要玩，尽量玩一些交互式的游戏，这样可以让你活动活动。
Limit your time watching TV, using the computer, or playing video games - and when you do play, try interactive games that get you moving.
“最糟糕的，如果一定要跟我父亲有关的话，那就是，他会将这个疾病不偏不倚地传递给我的哥哥和我，”Sabine说。
"The worst part, of course, as far as my father was concerned, was that he was effectively going to pass this on to my brother and I," Sabine says.
如果一定要说有的话，那就是你可以使用如下方法优化这两个序列的创建：在CreateSequence中请求返回序列（使用Offer）。
The only "linkage" is that you can optimize the creation of the two sequences by sending an Offer of a return sequence in the outgoing CreateSequence.
当年轻人探索他们的生命意义时，他们的心灵往往向一切可能的选择敞开，像是关于信仰什么，如何生活，以及——如果一定要这样说的话——为了什么而献身。
As young people search for meaning in their lives, their minds are often open to all possible choices about what to believe, how to live, and what-if anything-to dedicate themselves to.
听着，如果你和伊丽莎白讲话或什么的，一定要让每个人都知道，你能做到吧。
Listen, if you talk to Elizabeth or anything make sure you let everyone know, will you.
如果你一定要抽烟，请选择吸烟区第一排的座位。
If you must have a cigarette, choose a seat in the first row of the smoking section.
你可以在烹饪之前先将海鲜解冻，但是如果你这样做的话，一定要尽快地把它煮熟。
You can thaw out the seafood before cooking it, but if you do this, make sure you cook it as quick as you can.
他父亲一定要见到她，我一遍遍地发誓，如果那个魔鬼想阻止这个，即使让他死在他自己的门阶前也成！
Her father shall see her, I vowed, and vowed again, if that devil is killed on his own doorstones in trying to prevent it!
如果你一定要油炸，一定要把食物放在厨房的纸上，翻动几次尽量把油吸干。
If you must deep fry, be sure to drain the food on kitchen paper, turning it a few times to drain off as much oil as possible.
当然，那里也有以前最受欢迎的景点，如水族馆和鳄鱼洞，但如果你不够时间参观所有的景点，请一定要去海龟镇。
Of course, there are the old favourites like the Aquarium and the Crocodile Cave, but if you don't have time to see everything, make sure you visit Turtle Town.
躺在床的边沿，摇摇欲坠，如果你一定要的话，可以发火，但要躺在同一张床上。
Lie precariously at the edge of the mattress and fume if you must, but lie in the same bed.
如果你想去上1点的课，你可以这样做，但是一定要和我的助教安排一下。
If you want to go to class at 1:00, you're welcome to do so, but please arrange it with my assistants.
如果你在户外生火或烧烤，一定要小心，离开前一定要确保炉灰是冷的。
Be careful if you have an outdoor fire or barbecue — make sure ashes are cold before leaving.
如果你在户外生火或烧烤，一定要小心，离开前一定要确保炉灰是冷的。
Be careful if you have an outdoor fire or barbecue — make sure ashes are cold before leaving.
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