如果时间允许，我们希望能参观一下主教座堂。
你时间紧吗？如果不紧的话，我建议我们一起吃午饭。
结果有趣且非同寻常，但如果时间紧张就不要尝试这个食谱。
The result is interesting and different, but do not attempt the recipe if time is short.
如果苏珊娜去了别的什么地方，我就稍微逛逛来消磨时间。
If Susanne is off somewhere, I'll kill time by looking around some.
“你打算什么时间吃午饭？”—“12:30，如果方便的话。”
"What time were you planning lunch?"—"Half past twelve, if that's convenient."
如果你想养条狗，有话说在前头，那可既费时间又费钱。
If you're thinking of getting a dog, be warned —they take a lot of time and money.
如果选择中性颜色的帽子，戴的时间会更久一些。
You'll get more wear out of a hat if you choose one in a neutral colour.
如果你没时间也没关系。
如果我今天没时间，我可以明天来。
如果有时间，我们经常去朋友家串门。
如果时间允许，主管还会做一些木工活。
The supervisor also performs some of the carpentry duties if time permits.
如果你有时间，中心本身也值得一看。
If you have time it's worth taking a look at the Centre itself.
如果一匹马躺着，它需要很长时间才能站起来。
如果发生火灾，你可能没有太多的时间来决定该做什么。
If there is a fire, you might not have much time to decide what to do.
如果把邮票长时间放在光线下，颜色会慢慢消失。
The colour will slowly disappear if the stamps are put in the light for a long time.
如果我们必须从头开始，那么一切都需要时间。
如果我们能更灵活地处理我们的时间会怎么样？
What if we were more flexible with what we could do with our time?
如果你坐高铁的话会节省很多时间。
If you take the high-speed rail, and you will save much time.
如果我们想要有所收获的话，就必须善用时间、努力工作。
If we want to reap a harvest, we have to make the best of time and work hard.
如果你做蛋糕之类的东西，它会节省你很多时间。
If you make cakes and things like that, it'll save you a lot of time.
如果我们有3个月时间，我们就花3个月完成。
如果每个人每周工作更少的时间，我们就能这样做。
如果你想赶上那趟火车就得抓紧时间了。
如果贮藏在密封的容器里，食物能保持比较久的时间。
如果你停止辩解而开始行动，你就会惊讶是什么让你耗费了这么长的时间。
If you stop making excuses and do it you'll wonder what took you so long.
如果它持续很长的时间的话，即使风力不大也可以做到。
Even a modest force, if sustained over a long time, would do.
如果没有花更多的时间自己学习，人们会把重点放在如何花费尽可能多的时间去接受教导。
Much emphasis is put on how to spend as much time if not more studying by themselves as being taught.
如果你能以光速运动，你的时间就会静止不动；如果你能以快于光速的速度运动，你的时间就会倒退。
If you could move at the speed of light, your time would stand still, if you could move faster than light, your time would move backward.
“如果你也像我一样懂得时间，”帽商说，“你就不会说浪费时间了。”
"If you knew time as well as I do," said the Hatter, "you wouldn't talk about wasting it."
如果赶时间的话，我更喜欢打电话。
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