infructuous，unavailing，ungrateful，[法] issueless，furitless ；

[例句] 假装系统完美无疵是徒劳的。 It would be idle to pretend the system is perfect.

[例句] 祈祷天气转变是徒劳的. It's no use praying for the weather to change.

fruitlessly，vainly ；

[例句] 他在书桌前徒劳地坐了一上午之后便放弃了。 After a fruitless morning sitting at his desk he had given up.

[例句] 罪犯们徒劳地躲闪着探照灯光。 The criminals vainly sought concealment from the searchlight.

[医]Protestant，Protestantism ；

[例句] 他们是天主教徒还是新教徒？ Are they Catholic or Protestant?

[例句] 新教徒和天主教徒之间历来仇视的问题 the traditional problem of the enmity between Protestants and Catholics

unfruitful，vain ；

[例句] 这是希奇 、 古怪 、 有趣、但是徒然的斗智. It was a strange, weird, interesting and yet futile battle of wits.

[例句] 这种想法的本身就是可怕的, 徒然的! The very idea was ghastly, futile!

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[例句] 圣女贞德终于在1920年由教皇本尼狄克十五世封为圣徒。 Joan of Arc was finally canonized by Pope Benedict XV in 1920.

[例句] 他荣升为圣徒是有充分理由的。 His elevation to sainthood is entirely justified.

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[例句] 和尚要剃度，克利须那派教徒也一样。 Monks shave their heads, as do devotees of the Hare Krishna movement.

[例句] 震颤派教徒认为家具应当朴素、简单、有用、实用，并且结构合理。 The Shakers believed that furniture should be plain, simple, useful, practical and of sound construction.

blackleg，hustler，knave ；

[例句] 骗徒们已使一些轻信的人上了当. The winders had roped in a number of gullible persons.

churchwoman ；

[例句] 主教则用火热的眼睛来争取自己的女信徒. Certainly the Monsignor made female converts with his burning eyes.

freehand，[机] free hand ；

[例句] 使用样板或模版，或者干脆徒手画。 Use a template or stencil or simply do it freehand.

neophyte ；

giaour ；

prentice ；

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