飞扬跋扈（飛揚跋扈）　

◎ 飞扬跋扈 fēiyáng-báhù

[become powerful and intransigent;be arrogant and domineering] 鸷鸟飞扬,大鱼跋扈。喻指意气举动骄横放肆

像旧时的军阀一样飞扬跋扈