vain hope
骑鹤维扬───vain hope
I knocked loudly in the vain hope that someone might answer.───我敲门敲得很响，希望有人应声，却是徒然。
He married his fourth wife, Susan, in the vain hope that she would improve his health.───他怀着她能改善自己健康的徒然希望娶了第4个妻子苏珊。
At the moment, this seems a vain hope.───此时此刻，他的想法看来是徒劳的。
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。
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。
He married his fourth wife, Susan, in the vain hope that she would improve his health.
The doctors gave him more powerful drugs in the vain hope that he might recover.
This proved a vain hope, as the young student soon acquired a following of like-minded people.
Last night both men were clinging to the vain hope of salvaging their jobs and refused to comment before today's hearing.
It was usually a vain hope.