ahead
a. 领先的, 预先的, 向前的 adv. 领先, 预先, 向前, 胜于, 在前面, 在将来
发音
教材释义与例句
向前地；领先地；在（某人或某事物的）前面；预先；在将来，为未来
a short distance in front of someone or something
He kept his gaze fixed on the car ahead.
他的目光一直盯着前面的那辆汽车。
We could see the lights of Las Vegas up ahead .
我们能看到前方拉斯维加斯的灯光。
Henry hurried on ahead (= went in front of the others ) .
亨利赶紧跑到前面。
释义与例句
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1.
At or towards the front; in the direction one is facing or moving.
The island was directly ahead.
Just ahead you can see the cliffs.
Keep going straight ahead.
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2.
So as to be further advanced, either spatially or in an abstract sense; to be superior.
He finished two laps ahead of me.
In all of his classes Jack was ahead.
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3.
In or for the future.
There may be tough times ahead.
You've got to think ahead so as not to be unprepared.
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4.
To a later time.
Set the clock ahead an hour.
Push the deadline ahead a day, from the 20th to the 21st.
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5.
At an earlier time; beforehand; in advance.
He paid his rent ahead.
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6.
To an earlier time.
Push the deadline ahead a day, from the 21st to the 20th.
词汇关系
相关短语
词源
From a- + head. Perhaps originally a nautical term, "beyond the head (of a ship)", then drifting into more general English usage where it is used to describe something as being "in front of".
来源：wiktionary