- ahead
 - adj. 向前;在前的;领先
adv. 向前的;领先的 
同义词
           
       参考例子
           - 1.Look straight ahead .
 - 一直往前看。
 
- 2.Turn left at that big intersection ahead.
 - 在前面那个大十字路口左转。
 
- 3.So go ahead and grab a pen and piece of paper.
 - 所以要大胆向前并且抓住一支笔和一张纸。
 
英文解释
           - adj.
 - 1.having the leading position or higher score in a contest
 - 2.at or in the front
 - 3.toward the future; forward in time
 - 4.in a forward direction
 - 5.ahead of time; in anticipation
 - 6.to a more advanced or advantageous position
 - 7.to a different or a more advanced time (meaning advanced either toward the present or toward the fut
 - 8.leading or ahead in a competition
 
网络释义
               - ahead
 - 前头,在前; 前进; 向前,前进,正砗; 向前;
 
- ahead of
 - 在...之前; 在…前面,先于; 胜过; 在……前;
 
- get ahead
 - 进步,获得成功; 进步; 胜过,超过; 走在前面;
 
- go ahead
 - 前进,领先; 开始,进行; 前进,进展;
 
- look ahead
 - 向前看,展望未来; 先行; 展望未来; 向前看;