(especially in sports or other competitions) to be in front, to be first, or to be winning

(尤指在比赛中)领先，位居前列

After 30 minutes the challengers were leading by two goals.

30分钟过后挑战者已经领先两分。

With two laps to go Ned led by less than two seconds.

还剩下两圈时内德领先不到两秒钟。