In a vain attempt的意思|示意

The caged bird flapped its wings in a vain attempt to fly away.

笼子哩的鸟拍打着翅膀想飞走，但却徒劳无功。

The United States attorney-general is suing her as she sits, in a vain attempt to make her dissolve herself into constituent companies.

美国联邦检察长此刻正在起诉她，要让她把新泽西公司分解成系列子公司，而她却还在坐童车，岂不徒劳？

An attempt to preserve life in a state of neutrality and indifference, is unreasonable and vain.

试图保持生活的中立和淡漠，是不明智的，徒劳的。

Those without umbrellas had covered their heads with plastic bags, towels and books in a vain attempt to stay dry.

有些人没有雨伞，于是用塑料袋、毛巾或书本遮头，试图防雨，结果还是淋湿了。

And thereupon he would get out one or another of his manuscripts, such as "Adventure," and read it over and over in a vain attempt to vindicate the editorial silence.

这样一想他又拿出我自己的稿子，例如《冒险》，反复地研读起来，想探索出编辑们一直沉默的道理。

With the starship damaged and unable to take off, Jeremitt and Caterine set out in a vain attempt to find civilization.

因为飞船受损无法起飞，杰里米特和卡特琳试图到四周寻求援助，但是一无所获。