adj.无用的；无益的；无利可图的；没穿鞋的

The beggar's shoes were bootless, exposing his frostbitten feet to the harsh winter cold.
乞丐的鞋子破旧不堪，使他冻伤的双脚暴露在严冬的寒冷中。
Despite their best efforts, the campaign to save the old library proved bootless; it was demolished anyway.
尽管他们付出了最大努力，拯救旧图书馆的活动还是徒劳无功；图书馆最终还是被拆除了。
The lawyer's arguments in court seemed bootless as the judge had already made up his mind.
律师在法庭上的辩论似乎是徒然的，因为法官已经下定决心了。
Her attempts to reason with him were bootless; he refused to listen to any logic.
她试图和他讲道理的努力是徒劳的；他拒绝听任何逻辑。
The farmer's prayers for rain were bootless; the drought continued for months.
农夫祈雨的祷告毫无效果；干旱持续了几个月。
Repairing the ancient vase with glue proved bootless; it could never be restored to its original state.
试图用胶水修复这个古老的花瓶是徒劳的；它永远无法恢复到原来的状态。
His search for the lost key was bootless; it had been swallowed by the sofa cushions long ago.
他寻找丢失钥匙的努力是徒劳的；钥匙早就被沙发垫吞没了。
The new marketing strategy turned out to be bootless; sales did not increase at all.
新的营销策略结果证明是徒劳的；销售额根本没有增加。
Her cries for help were bootless in the deserted alley; no one came to her aid.
她在荒废的小巷里呼救是徒劳的；没有人来帮助她。
The gardener's attempt to revive the dead plant was bootless; it needed more than just water and sunlight.
园丁试图让枯死的植物复活是徒劳的；它需要的不仅仅是水和阳光。