presumptuously(副词):冒昧地;放肆地;擅自地,指在没有足够依据、权限或礼貌分寸的情况下自作主张或越界行事。(也可带有“想当然地”之意。)
/prɪˈzʌmptʃuəsli/
He presumptuously interrupted the meeting to give advice.
他冒昧地打断会议来提建议。
Presumptuously assuming she would agree, he announced the plan before asking her.
他想当然地以为她会同意,没先征求她就把计划宣布了。
来自形容词 presumptuous(冒昧的、僭越的),其核心源于拉丁语 praesumere,意为“预先拿取/预先认定”(prae- “在前” + sumere “拿、取”)。引申为“在未获许可或未弄清事实前就先行认定或行动”,加上副词后缀 -ly 构成 presumptuously。