beforehand/ahead.导航词义：事先，提前

1. beforehand:adv. 事先，预先，事前.指在时间上先于另一事发生或完成，尤用于谈论准备或计划的事情。

If you have completed most of the homework beforehand, you'll enjoy the evening more.

如果你预先把大部分家庭作业做完了，这个晚上你会玩得更开心。

Please inform us of your arrival time beforehand.

请事先通知我们你抵达的时间。

Saunas can be dangerous if misused. Avoid a big meal beforehand.

洗桑拿浴如果方法不当会有危险，浴前切忌饱食。

How could you tell beforehand that I was going to buy a Ford?

你怎么会事先知道我要买一辆福特轿车？

2. ahead:adv. 事前，提前.词义同 beforehand，常可换用；但以 ahead of time/schedule 出现时，则其中的 ahead 不可与 beforehand 换用。

Do book ahead/beforehand as the hotel is very popular.

该酒店非常受欢迎，请务必提前预订。

Winter weddings need to be arranged months ahead/beforehand.

在冬季举行婚礼需要提前几个月作安排。

If you had warned me ahead of time, I wouldn't have done that.

如果你预先警告我，我就不会那样做了。

The train left 3 minutes ahead of schedule.

火车提前3分钟离站了。

全部

1·Already, she is thinking ahead.

她早就在考虑未来了。《柯林斯英汉双解大词典》

2·China's economy galloped ahead.

中国的经济飞速向前发展。《柯林斯英汉双解大词典》

3·Labour is ahead in the poll.

工党的得票数领先。《牛津词典》

4·Brett looked straight ahead.

布瑞特向前直视。《柯林斯英汉双解大词典》

5·The road ahead was blocked.

前面的路被封了。《牛津词典》

6·Our team was ahead by six points.

我们队领先六分。《牛津词典》

7·The party was planned weeks ahead.

聚会提前几个星期就已筹划好了。《牛津词典》

8·I went ahead and waited with Sean.

我提前去了，和肖恩一起等。《柯林斯英汉双解大词典》

9·Two boys were ahead of us.

有两个男孩在我们前面。《牛津词典》

10·She stared rigidly ahead.

她呆呆地盯着前方。《牛津词典》

领先

1·Australia finished 20 points ahead.

澳大利亚队终局领先20分。《牛津词典》

2·Labour is ahead in the poll.

工党的得票数领先。《牛津词典》

3·He was just fractionally ahead at the finishing line.

在终点线他只是稍微领先。《牛津词典》

4·Robert Millar finished 1 minute and 35 seconds ahead of the Frenchman.

罗伯特·米拉尔领先法国选手1分35秒完成比赛。《柯林斯英汉双解大词典》

5·The world champion finished more than two seconds ahead of his nearest rival.

这位世界冠军领先离他最近的对手两秒多钟冲过终点。《柯林斯英汉双解大词典》

向前地

1·Long and winding... and long road ahead.

渴望和蜿蜒的…而且向前地渴望道路。

2·He sent ahead a decree to the city that all of Ling Tong's requests should be fulfilled first and reported to him later.

他向前地将一条法令送了到城市所有鳕党的请求应该被实现第一而且稍后报告了他。

在前面

1·Here--hurry up, trot ahead--I'll haul the wagon for you.

来——快点，跑在前面——我来拉车。

2·The lantern was far ahead, and he could not help lagging behind a little in the darkness.

灯笼在前面很远的地方，他不得不在黑暗中落在后面一点。

3·The dogs bounded ahead.

那些狗在前面蹦蹦跳跳地跑。《牛津词典》

4·We should have been way ahead, the 12-year veteran of the firm said in the interview.

“我们应该走在前面，”这位从业12年的金融人士在接受采访时说。

5·The Celtic tiger roared ahead, but it paid too little attention to its gung-ho banks and asset markets.

凯尔特的老虎在前面咆哮。 但是，它对它雄心壮志的银行和资产市场关注的太少了。

在前方

1·The expressway on-ramp lay just ahead.

高速公路的入口匝道就在前方。《柯林斯英汉双解大词典》

2·A half-dozen anonymous workers scout ahead to check possible hive locations in hollow trees or wall cavities.

半达的无名工蜂在前方侦察，核查能够安置蜂巢的树洞和墙洞。

3·So many of you came into this period of time, because you have the skills and understanding that will be needed to surge ahead.

你们当中如此多的人来到这一段时间，因为你们拥有在前方的大风大浪中被需要的技能和理解。

4·So from that moment on, I know there will be many difficulties ahead waiting for me.

于是从那一刻起，我就知道其中一定会有许多困难在前方等待我。

5·We invite you and those who have never attended to join us ahead.

我们邀请你，以及那些从没有参加过的人们，在前方加入到我们的行列。

朝前

1·The very first chance that I got evaded his grasp and ran on ahead into the dark, skipping with feigned boyish exuberance.

这是我第一次不让他领着走。 我假装出一幅孩子气的活泼来，蹦蹦跳跳地朝前跑去，跑进了漆黑的夜色当中。

2·I cursed her one time then I rode on ahead.

我咒骂了她一下紧接着朝前骑去。

3·Please set the clock ahead.

请把钟朝前拨。

4·If you no longer look ahead.

如果你不再朝前看。

5·You have to look ahead, or you'll never get home.

必须朝前。看，否则就到不了家。

将来

1·But what about farther ahead?

但是更远的将来呢？

2·If a person sees one year ahead, while another sees only tomorrow.

有人可以预测到一年后的将来，而有人只能预测明天。

3·I am feeling a mix of anticipation and excitement and am totally focused on what's ahead.

我怀着期待和兴奋之情，脑子里想的全是未卜的将来。

4·Officials talk of incredibly difficult cuts ahead, dwarfing in scale the economies made by Margaret Thatcher after she took power in 1979.

官员们谈到将来的削减开支任务“非常棘手”，这样的言论相应让1979年玛格·丽特·撒切尔掌权后创造的经济规模相形见绌。

5·There may be a clash ahead between mostly European car companies and American tech companies.

汽车公司(大多为欧洲公司)和美国科技公司将来可能发生冲突。

在前

1·With legal battles ahead, the zone's future looks uncertain at best.

司法拉锯战在前，“清洁空气区”的未来充其量只能说是前途难卜。

2·To avoid this, try to keep your feet under your body, not ahead or behind it.

为了避免这个，保持你的脚垂直于你的身体，不是在前或是在后。

3·Please tell me whereto get off. Please tell me one stop ahead.

请告诉我在哪里下车。请在前一站告诉我。

4·It won't be easy because there are big challenges ahead but we think we can win.

这并不容易，因为巨大的困难在前，我认为我们能够成功。

5·Loneliness up ahead, emptiness behind, Where do I go?

寂寞在前，空虚在后。我该去往何处？

前边

1·Cautious because there are so many challenges ahead, she said.

她说：“我表示谨慎是因为前边的挑战非常多。”

2·Yu said to me, since there is pear trees here, there must be families ahead!

老余说：“这里有梨树，前边就会有人。”

3·Yes, but look ahead! said Digory.

“是的，看前边！”迪格雷说。

4·I had been walking for only a few minutes when I was surprised to see Miss Stapleton sitting on a rock ahead of me.

没走几分钟便惊奇地看到斯台普顿小姐正坐在我前边的一块岩石上。

5·He pushed me ahead to speak first.

他把我推到前边让我先发言。

(1)ahead of在…之前

(1)go ahead前进；进行

(1)forge ahead继续进行，取得进展

(1)ahead of time提前；提早

(1)ahead of scheduleadv. 提前

(1)straight ahead一直向前；主流爵士乐