dumb

英 /dʌm/ 　美 /dʌm/

adj. 愚蠢的；傻的not sensible or intelligent, in informal and often insulting use
adj. 一时说不出话的temporarily unable to speak because of surprise or strong emotion
adj. 不能说话的（旧称）unable to speak; an outdated and potentially offensive description

It was dumb to leave my keys inside again.

又把钥匙落在里面，真是太傻了。

Simplified news should improve accessibility without dumbing down complex issues or removing evidence that readers need.

简化新闻应提高可读性，而不应将复杂问题过度简化或删去读者需要的证据。

搭配

a dumb mistake 愚蠢的错误struck dumb 惊得说不出话dumb down 过度简化

b不发音；指人愚笨有侮辱性，指失语者已过时。

dumbness (n.)、dumbly (adv.)

用于形容人愚笨可能冒犯；指不能说话者的用法已过时。