outnumber
/ˌautˈnʌmbə(r); aʊt`nʌmbɚ/ v[Tn esp passive 尤用於被动语态]
be more in number than (sb)在数量上超过（某人）
The demonstrators were outnumbered by the police. 示威者没有警方的人数多.
We were outnumbered two to one by the enemy, ie There were twice as many of them. 我们的人数只及敌人的一半.