be up in arms against;raise the standard of revolt; rise in rebellion (/resistance/revolt); start an uprising (/a revolt/a mutiny) ❍ 贫苦农民～，反对统治阶级。The poor peasants were up in arms against the ruling class.
揭竿而起jie gan’er qi
rise to revolt
揭竿而起jiē ɡǎn ér qǐ
揭：举起；竿：旗竿。高举义旗，起来反抗。rise in rebellion, start a revolt, raise a rebellion