[ chěngxìngwàngwéi ] act on impulse; act recklessly without superstitious fear; rely on one's temperament to run wild; do imprudent acts recklessly; be wayward and act imprudently
逞: Ⅰ动词1.(显示; 夸耀) show off; flaunt 短语和例子逞威风 show off one's strength or power; swagger about;presume on one's power to intimidate others; 逞英雄 pose as a hero; play the hero; do sth. out of brava