vainly是什么意思

实用例句

1. He hunted vainly through his pockets for a piece of paper.

他翻遍口袋想找一张纸，结果没找到。来自柯林斯例句

2. The criminals vainly sought concealment from the searchlight.

罪犯们徒劳地躲闪着探照灯光。来自柯林斯例句

3. He shouted after them, vainly trying to attract their attention.

他在他们的后面高喊，想引起他们的注意，却是徒劳。来自《权威词典》

4. The team captain vainly tried to rally his troops.

队长试图振作部队的士气,但没有成功.来自《简明英汉词典》

5. He vainly hope to travel round the world on foot.

他梦想步行周游世界.来自《现代汉英综合大词典》