如果共和党说“不行”，民主党就会认为这正好可以在竞选上大做文章。

If the Republicans were to say "no dice," the Democrats would think they have a campaign issue.

《柯林斯英汉双解大词典》

如果所有别的办法都不行，你总还可以卖掉摩托车。

If all else fails, you can always sell your motorbike.

《牛津词典》

如果其他方案都不行，一个可能的解决办法就是提起诉讼。

One possible solution, if all else fails, is to take legal action.

《柯林斯英汉双解大词典》

No, no. But if you have a UROP, or you have a sports practice or something, we will allow that.

不行，但是如果你得到本科生研究计划，或者你要进行体育锻炼，我们是能够接受的。

麻省理工公开课 - 固态化学导论课程节选

And if I don't do that. then I will apply to graduate school in comparative literature, probably in California

如果不行的话，我应该会申请去加利福尼亚大学的比较文学研究生院。

耶鲁的著名人士 - SpeakingMax英语口语达人

If things didn't work out long term, they still have a spot for me I think if I want to go back and finish my MBA it's just not that high risk when you get right down to it.

如果长期下来不行的话，他们仍然偏爱我的话，我想我可以,回来读完工管硕士，实际去做的话困难并不大。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选