/əˈhed ||; əˈhɛd/adv adjahead (of sb/sth) 1 in front of sb/sth （指位置）在前面: I could see the other car about half a mile ahead of us. 我看得见另一辆车在我们前面大约半英里的地方。The path ahead looked narrow and steep. 前面那条小路看起来又狭又陡。Look straight ahead and don't turn round! 笔直往前看，不要转身！
2 before or more advanced than sb/sth （指时间）更早，之前: Inga and Nils arrived a few minutes ahead of us. 英加和尼尔斯比我们早到几分钟。London is about five hours ahead of New York. 伦敦的时间大约比纽约早五小时。The Japanese are way ahead of us in their research. 日本人的研究远在我们前头。
3 into the future 未来；以后: He's got a difficult time ahead of him. 他将来要面对艰苦的日子。We must think ahead and make a plan. 我们要为未来着想，订一个计划。
4 winning in a game, competition, etc （在游戏、比赛等中）领先，取胜: The goal put Italy 2-1 aheadat half-time. 那个入球使意大利队上半场以2比1领先。 ☞Look at behind. 参看 behind。
ahead of your time so modern that people do not understand you 超前所处的时代；走在时代的前端
streets ahead→
STREET