徒劳无益

It will be a sorry tale hereafter that an Achaean host, at once so great and valiant, battled in vain against men fewer in number than themselves; but as yet the end is not in sight.

如此雄壮，如此庞大的阿开亚联军，竟然徒劳无益地打了一场没有收益的战争，战事旷日持久，杏无终期。这支军队占着兵力上的优势。如果双方愿意，阿开亚人和特洛伊兵壮

The barrenness of their efforts was due to poor management.

他们努力的徒劳无益归咎於管理不善。

The years of ineffectual service count big in the bestowal of rewards.

几年徒劳无益的服务，在论功行赏时就大有关系。

The oath he swore was bootless, but it made Dolon more keen on going.

就这样，赫克托耳信誓旦旦，虽说徒劳无益，却催励着多隆登程上路。

Return to my own land I shall not, and I have brought no saving neither to Patroclus nor to my other comrades of whom so many have been slain by mighty Hector; I stay here by my ships a bootless burden upon the earth, I, who in fight have no peer among the Achaeans, though in council there are better than I.

现在，既然我已不打算回返亲爱的故乡，既然我已不是帕特罗克洛斯和其他伙伴们的救护之光――他们已成群结队地倒在强有力的赫克托耳手下――只是干坐在自己的船边，使沃野徒劳无益地承托着我的重压：我，战场上的骄子，身披铜甲的阿开亚人中无人可以及旁，虽然在议事会上，有人比我舌巧话长。

But someone may turn out to be in a cantankerous mood and whatever you do to placate them, can come to nothing.

但看似有某些人正处于好斗的情绪之中，无论你如何安抚他们，都徒劳无益。

You are beating a dead horse if you are trying to make him change his political views.

你要想改变他的政治观点，那是徒劳无益的。

You are flogging a dead horse if you are trying to make him change his political view.

你要设法改变他的政治观点，那是徒劳无益的。

Just remember you are not beating a dead horse.

不过，你要记住，你那样做是徒劳无益的。

He lowered a bucket into the well to get some water.

空井打水，徒劳无益1。空井打水，徒劳无益

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。