im·pet·u·ous /ɪmˈpetʃuəs/ adjectiveadj CARELESStending to do things very quickly, without thinking carefully first, or showing this quality 〔做事〕鲁莽的,冲动的 SYN impulsive He was high-spirited and impetuous. 他情绪高昂,行事鲁莽。
She might live to regret this impetuous decision. 她可能会一辈子为这个鲁莽的决定感到后悔。
—impetuously adverbadv
—impetuousness noun [uncountableU]
—impetuosity /ɪmˌpetʃuˈɒsəti $ -ˈɑː-/ noun [uncountableU]