a new force suddenly come to the fore ❍ 少年欲立婴，便为王，异军苍头特起。(《史记·项羽本纪》) Then the young men wanted to set him up as their king and form a black-turbaned rebel force of their own.
异军突起
a new force emerges all of a sudden
异军突起yì jūn tū qǐ
比喻另一种新派别或新事物突然兴起。a new force suddenly coming to the fore, form a rebel force of their own, a new faction appears all of a sudden