If you say that someone or something is stupid, you mean that they show a lack of good judgment or intelligence and they are not at all sensible.
例句
I'll never do anything so stupid again...我再也不会做这种傻事了。I made a stupid mistake...我犯了个愚蠢的错误。
ADJ-GRADED
讨厌的;恼人的;无足轻重的
You say that something is stupid to indicate that you do not like it or care about it, or that it annoys you.
例句
I wouldn't call it art. It's just stupid and tasteless...我不认为这是艺术。它简直无聊透顶，毫无品位。Friendship is much more important to me than a stupid old ring!友谊对我来说可比一个破戒指重要得多！
英汉词典释义
adv.
愚蠢地
How can you teach a child who just grins stupidly at you all day?如果一个孩子整天都冲着你傻笑,你怎么能教他呢?I once stupidly asked him why he smiled so often.我曾经愚蠢地问他为什么老是微笑。