任性妄为任性：放纵性情；妄：胡乱。凭着自己的性情胡乱作事。[查看详情]

轻举妄动未经慎重考虑盲目行动。[查看详情]

作奸犯科奸诈狡猾而违犯国法。例若有作奸犯科及为忠善者，宜付有司，论其刑赏。——诸葛亮《出师表》英violate the law and commit crimes; commit offences against law and discipline;[查看详情]

耀武扬威指炫耀武力显示威风。亦指人趾高气扬炫耀自己。例他也曾斩将搴旗耀武扬威，普天下哪一个不识的他是杨无敌。——《元曲选谢金吾》英make a show of one’s strength; swagger around;[查看详情]

胆大妄为无所顾忌地为非作歹。例这帮匪徒胆大妄为无恶不作。英act in foolhardy manner; reckless;[查看详情]

惹是生非招惹是非引起事端。例安分守己并不惹是生非。——明冯梦龙《喻世明言》英make trouble;[查看详情]

倒行逆施做事违反常理后多指做事违背正义和时代潮流。英attempt to go against the tide of history; do things in a perverse way; turn back the wheel of history;[查看详情]

肆无忌惮恣意妄行毫无顾忌。例世荣居中书数月恃委任之专，肆无忌惮，视丞相犹虚位也。英without scruple; with impunity;—《元史卢世荣传》[查看详情]

横行霸道倚仗权势胡作非为。例不让腐懦学究横行霸道。英play the tyrant;行使专横权力。例这些头头在乡里横行霸道。英tyrannize;[查看详情]

专横跋扈专断强暴任意妄为。英imperious and despotic;[查看详情]

飞扬跋扈鸷鸟飞扬大鱼跋扈。喻指意气举动骄横放肆。例像旧时的军阀一样飞扬跋扈。英become powerful and intransigent; be arrogant and domineering;[查看详情]

为非作歹做违法的事做令人痛恨的事。例你待为非作歹瞒心昧己，终久是不牢坚。我说的是好话不过叫你心里留神并没叫你去为非作歹。——《红楼梦》到了二十岁，便不念书了跟在毕植本身边，趁空便跑了出去为非作歹。——清南亭亭长《中国现代记》英do evil things; perpetrate ou[查看详情]

不可一世形容人自以为高人一等目空一切，今多含有讽刺的意味。例圆圆的脸盘两目炯炯有光，于盎然春气里时时流露不可一世的精神。——《孽海花》英be on the high ropes; be domineering; surpass the world;[查看详情]

没法没天犹无法无天。[查看详情]

为所欲为想做什么就做什么；任意行事。英do as one pleases; act wilfully; do whatever one likes; have one's own way;[查看详情]

群魔乱舞比喻许多坏人猖狂活动。英pandemonium; evil spirits of all kinds dance in a riotous revelry a host of demons dancing in riotous revelry—rogues of all kinds running wild;[查看详情]

胡作胡为胡作非为。[查看详情]

作威作福恃仗权势欺凌弱小滥施淫威。英tyrannically abuse one’s power; ride roughshod over others; lord; act like a tyrant;[查看详情]

无法无天不怕法律也不怕天道报应。形容肆无忌惮胡作非为。英wild; without law and order; defy all laws; become absolutely lawless; run wild;[查看详情]

约法三章泛称订立简明的条约使人共同遵守。例昔高祖约法三章黎民皆感其德。——《三国演义》英simple agreement with the people by a new government;[查看详情]