dumb

1. ADJ Someone who is dumb is completely unable to speak. 啞的

...a young deaf and dumb man. …一名年輕的聾啞人。

2. ADJ If someone is dumb on a particular occasion, they cannot speak because they are angry, shocked, or surprised. 說不出話的[文學性] [v-link ADJ]

We were all struck dumb for a minute. 我們一時個個都啞口無言。

3. ADJ If you call a person dumb, you mean that they are stupid or foolish. 蠢的[非正式]

The questions were set up to make her look dumb. 這些問題是安排好讓她顯得蠢的。

4. ADJ If you say that something is dumb, you think that it is silly and annoying. 愚蠢而惱人的[美國英語] [非正式]

I came up with this dumb idea. 我想出了這個愚蠢而惱人的主意。