1. Her counterpart left in vain and vapidity.
   对方索然无味，徙劳而去。
2. I tried in vain to dispel her misgivings.
   我试图消除她的疑虑, 但没有成功。
3. I tried to chuff her up in vain.
   我想让她高兴起来,但是白费力气。
4. They tried in vain to persuade her to go.
   他们极力劝她去，但枉费了一番口舌。
5. They tried in vain to open the locked door.
   他们妄图打开锁着的门。
6. (humorous)Have you been taking my name in vain again?
   你又在说我的闲话吧？
7. John tried in vain to gloss over his faults.
   约翰极力想掩饰自己的缺点, 但是没有用。
8. They attempted in vain to modernise these antiquated industries.
   他们企图使这些陈旧的工业现代化,结果劳而无功。
9. In making that plea he will breathe in vain.
   他做那种恳求是白费口舌的。
10. They endeavored to make her happy, but in vain.
    他们想方设法地使她高兴, 但那是徒劳的。
11. All our efforts were in vain.
    我们所有的努力都付诸东流了。
12. He proposed to himself to achieve what hitherto he had been promised in vain.
    他决定要完成一件至今尚无希望的事情。
13. In Mayo's junior year at North Hill College High in Cincinnati, ESPN's Forde tried in vain to arrange an interview, showed up in person but was turned away by Mayo's uncle.
    在梅奥大三就读于辛辛那提的北山学院，ESPN的Forde想去采访他的经历，但一切都是徒劳，都被他的叔叔推掉了。

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