1·If anyone's to blame, it's me.
如果有人该承担责任，那就是我。
—— 《牛津词典》
2·I'll help you if you're stuck.
你要是难住了，我来帮你。
—— 《牛津词典》
3·What if this doesn't work out?
如果这行不通怎么办呢？
—— 《柯林斯英汉双解大词典》
4·If I might just say something...
要是叫我说…
—— 《牛津词典》
5·If you're dinkum, I'll help you.
如果你的身份真实，我就帮你。
—— 《牛津词典》
6·I'll happily help, if I can.
如果我能帮忙，我倒很乐意。
—— 《牛津词典》
7·If he finds out, he'll scold me.
如果他发现了，他会责骂我。
—— 《柯林斯英汉双解大词典》
8·If necessary I can come at once.
如果有必要，我可以马上来。
—— 《牛津词典》
9·'And if I say no?' she ventured.
“那么我要是说不呢？”她试探说。
—— 《牛津词典》
10·If only I had gone by taxi.
我要是乘出租车去就好了。
—— 《牛津词典》
1·I can take the car if necessary.
如果必要的话，我可以乘汽车去。
—— 《牛津词典》
2·Oh, very well , then, if you insist.
啊，那好吧，如果你坚持的话。
—— 《牛津词典》
3·You can take the car, if you want.
如果想用那辆车，你就尽管用吧。
—— 《牛津词典》
4·What will you do if you fail?
如果你考试失败打算干什么？
—— 《牛津词典》
5·It'll fit if you stand it on end.
如果把它竖着就放得进去了。
—— 《牛津词典》
1·I would appreciate it if you paid in cash.
假如你支付现金的话，我会不胜感激。
—— 《牛津词典》
2·I should wait a little longer, if I were you.
假如我是你的话，我会再等一会儿。
—— 《牛津词典》
3·You can hire a car if you want to explore further afield.
假如你想逛更远的地方，可以租辆汽车。
—— 《牛津词典》
4·Doctors cannot effect a cure if the disease has spread too far.
假如这种疾病已扩散得厉害，医生也无法妙手回春。
—— 《牛津词典》
5·I dread to think what would happen if there really was a fire here.
我不敢想象假如这儿真的发生火灾会是什么情景。
—— 《牛津词典》
1·The money's there if you need it.
你若需要用钱就来取好了。
—— 《牛津词典》
2·I'd be glad if you could help me.
你若能帮助我，我会非常感激。
—— 《牛津词典》
3·Let me know if you have any problems.
你若有困难就告诉我。
—— 《牛津词典》
4·I'll thump you if you say that again.
你若再说这话，我就把你揍扁。
—— 《牛津词典》
5·You'll fry on the beach if you're not careful.
若在海滩上不小心会被太阳灼伤的。
—— 《牛津词典》
1·She'll throw a fit if she finds out.
她要是发现了，一定会大发雷霆。
—— 《牛津词典》
2·I'll belt you if you do that again.
你要是再这样，我就揍你。
—— 《牛津词典》
3·I'll help you if you're stuck.
你要是难住了，我来帮你。
—— 《牛津词典》
4·It would be a shame if you lost it.
你要是把它丢了就太可惜了。
—— 《牛津词典》
5·It would be nice if he moved to London.
他要是搬到伦敦就好了。
—— 《牛津词典》
1·Wire the thermometers up to trigger off an alarm bell if the temperature drops.
把温度计的电线连接上，当温度下降时，就会触发警报。
—— 《柯林斯英汉双解大词典》
2·They are dangerous only if programmers are careless.
只有当程序员粗心大意时，它们才是危险的。
3·But I ask my father if he texts messages, and guess what he said?
但当我问我爸爸他有没有发短信时，猜猜他说了什么？
4·She had not felt as if she looked cheerful when she gazed at the tree.
当她凝视着那棵树的时候，她觉得自己并不能装出感到高兴的样子。
5·I am certain of it, especially if it's difficult for a competitor to copy.
我对此非常确信，尤其是当竞争对手很难抄袭的时候。
1·But if the book has one major shortcoming, it's that the authors don't spend enough time applying a critical eye to the role of Internet businesses in these sweeping changes.
但如果说这本书有一个主要的缺点，那就是作者没有下足功夫，以批判的眼光来看待互联网企业在这些变革中所扮演的角色。
2·If there's anything I can't stand it's an indecisive, wishy-washy customer.
如果说我有什么不能容忍，那就是优柔寡断、挑三拣四的顾客。
—— 《柯林斯英汉双解大词典》
3·If anything, the information is overwhelming.
如果说有什么区别的话，那就是信息太多了。
4·If there is ever a core or a pioneer group in Europe, Spain will be in it.
如果说欧洲有一个核心或者是先锋集团，那么西班牙将会位列在其中。
5·If they kill anything, it will be forms of entertainment that cost more money and time.
如果说它们会消灭什么的话，那也会是更加费钱、费时的娱乐方式。
1·If you went to see him, he would be delighted.
倘若你去看望他，他会高兴的。
—— 《牛津词典》
2·If and when we ever meet again I hope he remembers what I did for him.
倘若我们再次见面，我希望他还记得我为他做的事。
—— 《牛津词典》
3·If we look at the larger picture of the situation, the differences seem slight.
倘若我们对情况看得全面些，分歧看起来就微不足道了。
—— 《牛津词典》
4·If you can't trust anything, life becomes intolerable.
倘若你什么都不相信的话，生活就会变得难以忍受。
5·However, I do not have any fears about this theory if the monopoles are not discovered.
然而，倘若真的没有发现磁单极子，我对这个理论也没有任何担心了。
1·Correct me if I'm wrong , but isn't this last year's brochure?
这不是去年的小册子吗？若是我说错了就请指出。
—— 《牛津词典》
2·Take care lest an adventure is now offered you, which, if accepted, will plunge you in deepest woe.
要当心你们面临的这场冒险，你们若是接受，这场冒险就回让你们陷入大祸事。
3·Usually, if the tea is made in a teacup, boiling water should be added into the cup when half of the tea in it has been consumed; and thus the cup is kept filled and the tea retains the same bouquet.
通常，若是用茶杯泡的茶，在茶喝完一半之后就应该加开水，这样，茶杯就一直都是满的，茶的芳香也得以保留。
4·If the wheel axle pin squeaked, or the beam had sapwood in it, or the haystack leaned, everyone in the village would know who had done these.
若是车轮的轴销嘎吱作响，或是横梁里掺了边材，或是干草堆斜歪了，村里的所有人都会知道这是谁干的。
5·If I were you, I would go.
我若是你，我就去。
—— 《新英汉大辞典》
1·It was a warm day, if not exactly hot.
这一天即使算不上热，也是一个暖和的日子。
—— 《牛津词典》
2·The implication was plain, if left unstated.
即使不说出来，隐含义也很明显。
—— 《柯林斯英汉双解大词典》
3·I'll make this marriage work if it kills me.
即使把命豁出去，我也要使这婚姻成功。
—— 《柯林斯英汉双解大词典》
4·Such measures are desirable, if not essential.
这些措施即使不是必要，也是可取的。
—— 《牛津词典》
5·It wouldn't surprise me if they got married soon.
即使他们很快就结婚，我也不会感到意外。
—— 《牛津词典》