if是什么意思？？？？

Question

如题所述

Answer 1

if if[If; if]连接词A1 如果…,假使…a. [就现在、过去、未来可能实现之事加以推测时]If you are tired, we will go straight home.如果你疲倦了,我们就直接回家If you have finished reading this book, please return it to me.如果你念完这本书,请把它还给我If he did it, he committed a crime.如果他做了那件事,他就犯了罪I'll be hanged [damned] if I obey him. (口语)我才不会听他的话Do you mind if I open the window?.如果我打开窗子,你介意吗?(我可以打开窗子吗? )I shall tell him if he comes.如果他来了,我会告诉他b.If you knew how I suffered, you would pity me.如果你知道我多么受苦,你会同情我If I were you, I would help him.如果我是你,我会帮助他c.If I had known, I wouldn't have done it.假使我知道,我就不会做那件事If he had followed my advice, he wouldn't be in such difficulty now.如果他听从我的劝告,他现在就不会陷入如此的困境d.If it should rain tomorrow, I shall not [shan't, won't] come.万一明天下雨,我就不来e.If I were to die tomorrow, what would you do?.要是我明天死了,你怎么办?2 a. 即使… (even though)If he be ever so rich.?.(古)即使他很富有…If I am wrong, you are not absolutely right.即使我错,你也不一定绝对正确He is a good if mischievous boy.即使他再顽皮,还是个好孩子His manner, if patronizing, was not unkind.他的态度即使有点傲慢,也不能说是不和善I don't care if I go. (口语)我可以去; 我去也可以(对于邀请的肯定回答)→ even if,if not.b. 即使…,然而… (whereas)If he was not industrious in his youth, he now works very hard.诚然,他年轻的时候不勤奋,然而现在他工作很卖力3 每逢…时,不论何时 (whenever)If I feel any doubt,I ask.每逢有疑问时我就发问4 [省略结论的主句,单独用作表示惊叹、愿望等的感叹句]If I only knew! =If only I knew!.要是我知道的话该多好!If I haven't lost my watch!.要是没丢掉表该多好!(该死,丢了表!)Why, if it isn't Mr. Smith!.嗨,那不正是史密斯先生!B [引导间接疑问句] 是不是… (whether)Ask him if it is true.问他那是不是真的I wonder if he is in the school.我不知道他是否在学校as if → aseven if即使Even if you do not like it, you must do it.即使你不喜欢那件事,你也得去做if a day [an inch,a penny,etc.]一天 [一??一便士] 不少,确实,至少He is seventy if a day. (.一天也不差) 他确实有七十岁The enemy is 2000 strong, if a man. (.一个也不少) 敌军至少有两千人He measures six feet, if an inch. (.一?家膊簧? 他至少有六?崭?nI have walked 15 miles, if a yard. (.一码也不少) 我确实已走了十五哩if any即使有,如果有的话There are few (books),if any.即使有 (书) 也很少There is little (wine), if any.即使有 (葡萄酒) 也很少Correct errors, if any.如果有错误,即予以订正if anything要说有什么区别的话,甚至可能,说起来Things are, if anything, improving.事态甚至可能好转True greatness has little, if anything, to do with rank and power.说起来,真正的伟大与地位权力没什么关系if anywhere如有任何地方if at all → at allIf it had not been for ?如果没有…的话 (But for?)If it had not been for.? = Had it not been for your advice,I couldn'thave done it.如果没有你的忠告,我不可能完成那件事If it were not for?如果没有…的话 (But for?)If it were not for (= Were it not for) the sun, nothing could live.如果没有太阳的话,任何东西都不能生存if necessary [possible]如果有必要,如果可能I will do so, if necessary.如果有必要,我会这样做if not(1)即使不是…It is highly desirable, if not essential, to draw the distinction.即使非属必要,但仍然宜加以区别(2)如果不是…Where should I get stationery, if not at a department store ?.如果不是在百货公司,我该在哪里买文具?if only(1)→ conj. A 4(2)即使只…We must respect him if only for his honesty [if only because he is honest].即使只为了他的诚实,我们也必须尊敬他I want to go if only to see his face.光是为了见他一面,我也要去if you like → likeif you please → pleaseWhat if?? →what pron可数名词(pl. ~s)条件; 假设,假使There are too many ifs in his speech.他说话中有太多的“假使”ifs and buts事情延后的理由 [借口]Do it now, and no ifs and buts!.现在就做,不要尽找借

Answer 2

it
英[it] 美[ɪt]
pron.
1.它
2.他
3.事实[情况]
4.（指婴儿，尤指性别不详者）
5.（用以明确身分）
6.（用作形式主语或形式宾语，而真正的主语或宾语在句末）
7.（谈论时间、日期、距离、天气等时用作主语）
8.（谈论情况时用）
9.（指已知或正在发生的事实或情况）
10.（强调句子的某部份）
11.正好是所需的；恰好 代词 pron.
1.它
This suitcase looks heavy but actually it is very light.
这个皮箱看上去很重, 实际上很轻。
2.他
Her baby's due next month.She hopes it will be a boy.
她怀的孩子下个月出生, 她希望是个男孩儿。
3.事实[情况]
It is a very long way from the West Coast to the East of America.
从美国的西岸到东岸的距离是很长的。
It is ten o'clock in the morning.
现在是早上十点钟。
It is raining.
下雨了。
It was on Sunday that an American friend of mine came to see me.
那个星期天, 我的一个美国朋友来看我。
Where did she go?—It was to Britain that she went.
她去了什么地方?——她去的地方是英国。
I don't like it that he should be alone with my girlfriend.
我可不喜欢他单独和我的女朋友在一起。
It is not easy if you ask her to stop.
你让她停下来可不容易。
It's very clear what the red-haired man means.
这个红头发男人的意思很明显。
4.（指婴儿，尤指性别不详者）
5.（用以明确身分）
6.（用作形式主语或形式宾语，而真正的主语或宾语在句末）
7.（谈论时间、日期、距离、天气等时用作主语）
8.（谈论情况时用）
9.（指已知或正在发生的事实或情况）
10.（强调句子的某部份）
11.正好是所需的；恰好

Answer 3

IF是一个多义词，共16个
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Answer 4

没有。
if 英[ɪf] 美[ɪf]
conj. 即使; 如果，倘若; 〈口〉是否; 假设;
n. 条件，设想;
[例句]She gets very upset if I exclude her from anything
要是有什么事情我不让她参加，她会非常难过。本回答被网友采纳

Answer 5

conj.如果，倘若;即使;〈口〉是否;假设n.条件，设想名词复数:ifs[例句]What if those negotiations failed?那如果谈判失败呢？