1.He asked her again in the vain hope that he could persuade her to come(= it was impossible).
他又问了她一次，徒然指望着能说服她来。
2.When prayer so often proves in vain, hope seems like the summer birds, too swiftly flown away.
当祈祷变得苍白无力，希望就像夏日里的鸟儿悄然飞逝。
3.At the moment, this seems a vain hope.
此时此刻，他的想法看来是徒劳的。
4.I would like to follow the example from them for hardworking and insist to seek their vain hope.
我觉得我要学习她们对追求梦想的努力与坚持。
5.They amount to aimless daubing in the vain hope of somehow accidentally making the right one.
因为他们是在漫无目的地涂抹，奢望于能意外地得到正确的结果。
6.I'm suturing a banana with the vain hope that it wakes up my brain.
为了保持我头脑的清醒我正空虚的缝合一个香蕉。
7.Without opposing all these and without unity and progress, "resistance" will be just empty talk and victory a vain hope .
不这样做，没有团结和进步，所谓抗战只是空唤，抗日胜利是没有希望的。
8.This need not be an entirely vain hope.
这并不是毫无指望的托词。
9.The jeans every woman keeps in the vain hope.
每个女人都会留着这些牛仔裤希望有一天能再穿上它们
10.The vain hope is that in the process of studying geography, math, English, biology, and so on, students will learn to think critically.
教育者空怀着一种希望，希望学生在学习地理、数学、语文、生物学等等课程的过程中，会学会批判性思维。