预先英文

Ready,go!

"提前"英文怎么说？回答：aheadoftime；inadvance；aheadofschedule；beforehand等短语，都可表达“提前”之意，请看例句：1）aheadoftime；例：Wecompletedtheworkfivedaysaheadoftime.我们提前五天完成工作。2）inadvance；例：Thebookingofficesellstickets3daysinadvance.售票处预售3天的票。3）aheadofschedule(=time);2例：fulfil[finish]thetaskaheadofschedule[=time]提前完成任务4）beforehand(adv.）Theyproposedtomakearrangementbeforehand.他们提议事先做好安排。

in advance

先前的英文：

before

previously

参考例句：

antecedent debt

先前的债项 The eyewitness contradicted earlier testimony

目击者否认了先前的证词。A cassette containing blank or prerecorded videotape.

录像带空白或者先前录制好的盒式录像带。He spoke with such earnestness and lucidity that he made Tang Yun-shan feel rather small and regret his suspicions

他这一番话，又恳切，又明晰，倒使得唐云山感觉到自己先前的.猜度——以为中间有几分奥妙，未免太不光明正大了。It's hurting worse than before.

比先前痛得更厉害了。 He recalled his earlier instructions.

他撤销了先前的指令。This doesn't consist with what you told me earlier.

这和你先前告诉我的不符合。Early money is like yeast.

先前的钱就跟泡沫一样。It was black, cold, and lifeless as before.

它还是先前一样黑暗，冷清，死气沉沉。We would like three Blue ones in addition to the ones we previously ordered.

"除了先前定购的,我们还要三个蓝色的。"before是什么意思：

prep. 在…之前；优于，先于；当面

conj. 在…之前

adv. 先前，从前

Rain before seven;fine before eleven

雨过天晴They corned their horses before the journey.

他们在启程前用玉米喂马。 The army was arrayed before the commander.

部队在指挥官前列好阵势。see before you go

三思而行Bind the sack before it be full

做事应适可而止previously是什么意思：

adv. 预先；以前

The land previously cultivated returned to forest.

以前开垦过的那片土地现在又成了森林了。Many of the previously detected systems are “full”.

许多已被检测到的星系都是“满”的。You are a little previous in learning English.

你在学习英语上有点过急。He was judging by previous dinners.

他是照从前吃过的晚饭来猜测的。the indiscriminate policies of the previous administration.

通常用inadvance,比如,Ifinishedthehomeworkinadvance.(我提前做完作业了)。也可这样说，Ifinishedthehomeworkinadvanceofmyclassmates.(我比我的同学提前做完了作业)。在某些情况下，比如在特定的时间范围内，提前可以译成“beforeschedule",比如，Ifinishedmyprojectaweekbeforeschedule.(我提前一周完成我的课题项目)。希望对你有帮助。