暴虎冯河赤手空拳打老虎没有渡船要过河。比喻有勇无谋冒险蛮干(暴虎：空手打虎；冯河：徒步渡河)例不敢暴虎不敢冯河。——《诗小雅》英brash physical courage; attack a tiger unarmed and cross a river without a boat;[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]

愣头愣脑形容冒冒失失、没有礼貌的样子。英blockhead; rash; impetuous; reckless;[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]

胡作非为不顾法纪或舆论任意胡来。例他仗着他爸爸的势力胡作非为。英commit all kinds of outrages; act absurdly;[查看详情]

百无禁忌完全不必忌讳形容随心所欲。英nothing to be superstitious about;[查看详情]

口不择言情急时说话不能选用恰当的言词。亦指说话随便。[查看详情]

祸从口出谓说话不小心就会召来灾祸。例病从口入，祸从口出。——晋傅玄《口铭》英calamity comes by means of mouth; disaster emanates from a careless talk;[查看详情]