She’s so dumb she can’t even figure out her answering machine.
You gave him your phone number? That was a dumb thing to do.
Some of the passengers were dumb with terror.
I was struck dumb by the clerk’s rudeness.
英语词典包含67175条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。