before，beforehand，in front，ahead，formerly ；

[例句] 由于沃克越位在先，这个进球被判无效。 The goal was disallowed because Wark was offside.

[例句] 我现在先不讲解工作原理─那样会使你摸不着头脑的. I won't explain how this works now — it might muddle you up.

congenital，connate，genetous，connatural，inborn ；

[例句] 她身上有一种先天的娴静气质. There was such a world of hereditary quiet in her.

[例句] 爱普生大幅面绘图仪在使用成本上有这先天的优势. Epson large format plotters in - use cost for these natural advantages.

（对人类或国家的大事了解得较早的人） a person of foresight，foreknow，precognition，prophet，seer；

[例句] 他深信自己是当代先知。 He holds the belief that he is a latter-day prophet.

[例句] 那时，信徒们尊他为先知。 The faithful revered him then as a prophet.

forego，foregone，precedence，prior，antedate ；

[例句] 我们在煤炭生产方面居先. We lead in the coal production.

（英国、肯尼亚、索马里、坦桑尼亚、乌干达等国货币） shilling，（奥地利货币） schilling，twelvepence ；

[例句] 英镑对奥地利先令的比价已经下跌了10％。 The pound had sunk 10 per cent against the Schilling.

[例句] 我身上只有10先令。 I've only got ten bob on me.

[医]progenitor ；

[例句] 国王以私人身份出访，以便能够祭拜先祖陵墓。 The King was on a private visit to enable him to pray at the tombs of his ancestors.

[例句] 他的先祖可以上溯到700年前。 He could trace his ancestors back seven hundred years.

[医] antecedent ；

[例句] 当此时, 速度往往意味着先行的优势. When right now, speed often means the position of go ahead ofrest.

[例句] 二十年来, 东莞确立了基础设施先行的发展战略. The last two decades, Dongguan first established infrastructure development strategy.

foregoing，foregone，[计] firs，prior ；

[例句] 允许考虑先前的法律。 It was permissible to take account of antecedent legislation.

[例句] 我试图将先前的境遇从大脑中抹去。 I was trying to blank out previous situations from my mind.

foregone ；

[例句] 我先走的，和肖恩一起在那儿等。 I went ahead and waited with Sean.

[例句] 你先走一步,我随后赶来. You just go ahead and I'll catch up later.

advanced ；

[例句] 从很多方面来说，这所学校在当时是非常先进的。 In many ways, it was a very modern school for its time.

[例句] 凭借先进的生产技术，他们得以占据竞争优势。 Through superior production techniques they were able to gain the competitive edge.

preexistence ；

[例句] 我先在画布上涂了一层蓝色水彩。 First I applied a blue colour wash to the canvas.

[例句] 你最好先在地上洒一层水,然后再打扫. You'd better damp down the ground and then sweep it.

[医]precede ；

[例句] 她必须懂得，自己的愿望不能先于别人的需要。 She had to learn that her wishes did not take precedence over other people's needs.

[例句] 对难分先后的冲线镜头的回放显示奥蒂先于奥运冠军到达终点。 The replays of the close finish showed Ottey finished ahead of the Olympic champion.

transcendental，transcendent ；

[例句] 他被认为是一位伟大的先验的观念论者。 He is regarded as one of the great transcendental idealists .

[例句] 实际的和实用的,否定了空想的和先验的东西. The practical and pragmatic gainsay the Utopian and transcendental.

[医] aural，premonitory，threatend ；

[例句] 它会毫无先兆的发生. It can happen without warning.

[例句] 偏头痛发作, 尤其是有先兆的偏头痛, 是主要的预测因素. The presence of migraine attacks, especially migraine with aura , was the major predictor for these associations.

foretaste ；

[例句] 先试解释一下问题再作回答。 Try to paraphrase the question before you answer it.

[例句] 我反对不先试一下闸就骑机动脚踏两用车。 I would advise against riding moped without testing the brakes first .

prophetic ；

[例句] 他们接受先知的教训,但拒绝他的种种约束. They accept the Prophet's precepts but reject some of his strictures.

[例句] 他亵渎了这位神圣先知的圣名。 He had defiled the sacred name of the Holy Prophet.

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[例句] 玛丽·居里的遗体被移出葬在先贤祠中. Marie Curie's remains were exhumed and interred in the Pantheon.

[例句] 先贤祠是最好的入门匙, 最佳的讲堂 、 最真实丰富的课本. Pantheon is the best entry - key, the best auditorium, the true wealth of textbooks.

apriority ；

[例句] 他的论点是先验性的, 但得到了事实的论证. His argument was apriori, but vindicated by events.

[例句] 先验性传统意义上被认为是一种知识类型, 并且一些时候也被认为是一种真理类型. First , a measurement process and a prior over surface shapes were computed respectively.

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[例句] 《圣经》里的先知书,只不过是当时各种预言的范本罢了. The prophetic books of the Bible can be but specimens of the prophesyings of that time.

[例句] 阐释之章节选自以赛亚书 、 耶利米书 、 以西结书及十二先知书. Exegesis of selected passages from Isaiah, Jeremiah, Ezekiel and the Twelve Prophets.

pioneer，precursory ；

[例句] 把康德化为先驱的唯心主义者是完全正确的. It is entirely proper to classify Kant as a transcendental idealist.