狼烟四起　

◎ 狼烟四起 lángyān-sìqǐ

[be enveloped in the flames of war;with alarms raised at all border posts] 狼烟:焚烧狼粪升起的烟雾。四处有报警的烟火,指边疆不平静、战事不断

这火筒节节生枝,能吹得狼烟四起,实是放他不得。——清· 钱彩《说岳全传》