Definitions

[1] conj. 如果, 是否, 无论何时, 假设, 即使

[2] n. 条件

[3] [计] DOS批处理命令:根据所测试的条件决定是否执行另一条命令

[ if ]

1. I don't know if I have the time.
   我不知道我有沒有時間。
2. I can only wonder if this is the same for everyone else.
   我只能问自己这对其他所有人是不是一回事呢。
3. If anyone was to ask what the point of the story is, I really don't know.
   如果有人问起这个故事的用意是什么，我还真不知道。
4. If I wanted to scare you, I would tell you what I dreamt about a few weeks ago.
   如果我是想吓你，我就会告诉你我几周前梦到的事。
5. I don't know if I still have it.
   我不知道我还有没有。
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6. If you see a mistake, then please correct it.
   如果你发现错误，那就请你纠正它。
7. If you don't eat, you die.
   人不吃東西就會死。
8. Mathematics is the part of science you could continue to do if you woke up tomorrow and discovered the universe was gone.
   就算你明天起床，發現整個宇宙消失了，還有一門科學是可以繼續研究的 ﹣ 那就是數學了。
9. "If you're tired, why don't you go to sleep?" "Because if I go to sleep now I will wake up too early."
   「你累的話怎麼不去睡覺？」「因為我現在去睡的話，就會太早醒過來了。」
10. "If you're tired, why don't you go to sleep?" "Because if I go to sleep now I will wake up too early."
    「你累的話怎麼不去睡覺？」「因為我現在去睡的話，就會太早醒過來了。」
11. If you don't understand something, it's because you aren't aware of its context.
    如果你不明白一件事，那是因为你没有意识到它的背景。
12. There's no point telling me "Hi, how are you?" if you have nothing else to say.
    对我说“你好，你怎么样？”什么用都没有，如果你没有其它可说的。
13. Why would you marry a woman if you like men?
    喜欢男人，为什么还要和女人结婚？
14. If you can't have children, you could always adopt.
    如果你不能有孩子，你总能领养。
15. Prime numbers are like life; they are completely logical, but impossible to find the rules for, even if you spend all your time thinking about it.
    質數就像人生，它們完全是合邏輯的，但就算你花多少時間來思考，也不能找到它們背後的規律。
16. It requires wisdom to understand wisdom: the music is nothing if the audience is deaf.
    要用智慧来理解智慧：如果听众是聋的话，那音乐什么都不是。
17. If two men always have the same opinion, one of them is unnecessary.
    如果两个人总是意见相同，那么他们其中一个就没必要了。
18. If there's no solution, then there's no problem.
    如果没有解决方法，那就没有问题。
19. If I gave no answer, I would not have spoken.
    如果我没有给予任何回答，我不会说话。
20. Food and drink were served in such profusion at the wedding that the bride and groom began to wonder if they should not have invited more guests.
    婚礼上饮料和食物那么丰富以至于那对年轻的新人开始怀疑他们本不该邀请更多的客人。
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