1、意思不同
silly意思：愚蠢的；不明事理的；没头脑的；傻的；(尤指像小孩一样)可笑的，荒唐的，冒傻气的；不实用的；闹着玩的。
例句：Right now the poor old devil's drinking himself silly.
这会儿那可怜的老家伙又喝得糊里糊涂的了。
stupid意思：欠考虑的；糊涂的；笨的；傻的；脑子不好使的；(用以加强语气)讨厌的，恼人的。
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。
2、用法不同
silly：多用于口语，语气比foolish重，指人极端或明显愚蠢的，或傻里傻气、不懂事的；形容行为、言语等时意为“无聊的”、“无意义的”。
例句：He has no common sense and always does silly things.
他毫无常识，总是做些傻事。
stupid：常指人因智力低下或其他原因而显得愚笨、迟钝的，往往含呆滞木讷之意；口语中多指人或物令人气恼或讨厌的。
例句：He was so quiet that everyone assumed he was stupid.
他寡言少语，大家都以为他很愚笨。
3、侧重点不同
silly侧重点：侧重指人的言行不合常规或不理智，强调单纯、低能和糊涂。
stupid侧重点：多指人或行为的愚蠢，尤指先天智能低下，或因某种原因失去正常的反应或感觉。
silly读法：英 [ˈsɪli]；美 [ˈsɪli]
adj.愚蠢的；不明事理的；没头脑的；傻的；(尤指像小孩一样)可笑的，荒唐的，冒傻气的；不实用的;闹着玩的。
n.(常用于向孩子指出其愚蠢行为)傻孩子，淘气鬼
复数：sillies
比较级：sillier
最高级：silliest
stupid读法：英 [ˈstjuːpɪd]；美 [ˈstuːpɪd]
adj.愚蠢的；笨的；傻的；欠考虑的；糊涂的；脑子不好使的；(用以加强语气)讨厌的，恼人的。
n.傻子，笨蛋(常用于开玩笑)
比较级：stupider
最高级：stupidest
1、It's such a stupid question.
这真是一个愚蠢的问题。
2、We get uncomfortable when they don't or when they make stupid mistakes.
如果他们做不到，或者是犯了愚蠢的错误，我们会觉得不舒服。
3、They are made stupid by education.
教育才把他们变蠢。
4、Not as stupid a question as you might think.
这可不是你以为的那种傻问题。
5、Will junk food make your child stupid?
垃圾食品会使你的孩子变笨吗？
1、I was very angry with myself for making such a stupid mistake.
我很生自己的气，竟犯了这样愚蠢的错误。
2、You stupid little bitch!
你这个愚蠢的小悍妇！
3、I can't think he would be so stupid.
我不能想象他会这么蠢。
4、I can't get the stupid thing open!
这破玩意儿我怎么也打不开！
5、That made me feel kind of stupid.
那使我感到有点儿愚蠢。
6、I still wince when I think about that stupid thing I said.
我想到我说过的蠢话时仍懊悔不已。
7、God,what a stupid thing to do!
天啊，这事干得太蠢了！
8、I was stupid enough to believe him.
我可真够糊涂的，竟然相信他的话。
9、I'm not so stupid as to believe that.
我还不至于傻得连那样的话都相信。
10、It was a stupid thing to do,I admit.
我承认，那次干的是件蠢事。
11、Yes,stupid,it's you I'm talking to!
对，傻子，我在跟你说话呢！
12、It was a pretty stupid thing to do.
做那样的事实在愚蠢。
13、Forgetting my notes made me look stupid.
我忘了带笔记，弄得自己像个傻瓜。
14、He made her feel insignificant and stupid.
他使她感到卑微愚蠢。
15、Get your stupid feet off the chair!
把你的臭脚从椅子上挪开！
16、You've done some stupid things before,but this really takes the biscuit!
你以前的确也干过些蠢事，但这一次实在吓人！
17、He'll manage─he isn't stupid.
他可以的——他不笨。
18、Wipe that stupid smile off your face.
别那么傻笑啦。
19、I know I was stupid;you don't have to rub it in.
我知道我当时很愚蠢；你不必老提这件事。
20、'Do you think I'm stupid?'she asked rhetorically.
“你以为我是傻瓜？”她反问道。
1、They're quite silly on this subject.
在这个问题上他们相当愚蠢。
2、Some of you probably believe this is silly.
你们有些人可能觉得这很傻。
3、With interest rates at a measly.001%,It seems silly to leave your savings sitting in the bank.
固定利率只有可怜的001%，于是把你的积蓄留在银行里变成了一种愚蠢的行为。
4、Eg.she torments everyone with silly questions.
她用无聊的问题来烦扰大家。
5、I always thought a piccolo made a man look silly.
我一直觉得男人一拿短笛就显得傻乎乎的。
1、Don't keep worrying him with a lot of silly questions.
别老用许多愚蠢的问题打扰他。
2、Her work is full of silly mistakes.
她满篇都是愚蠢的错误。
3、Why worry about a silly thing like that?
干嘛为那种无谓的事发愁啊？
4、Don't play silly games with me;I know you did it.
别跟我兜圈子，我知道是你干的。
5、I got it for a silly price.
我买它差不多没花钱。
6、Let's have done with this silly argument.
我们结束这场无聊的争辩吧。
7、A ghost indeed!I've never heard anything so silly.
真是见鬼！我可从没听说过这样无聊的事。
8、The person next to me piped up with a silly comment.
我旁边那位愚蠢地评论起来。
9、We had to wear these silly little hats.
我们不得不戴这些傻里傻气的小帽子。
10、That was a silly thing to do!
那事做得蠢！
11、I hate her,the silly old cow!
我恨她，那个笨蛋老女人！
12、I feel silly in these clothes.
穿上这些衣服，我觉得很可笑。
13、No,silly,those aren't your shoes!
不对，傻孩子，那不是你的鞋！
14、She had a silly grin on her face.
她一脸憨笑。
15、You silly thing!
你这个蠢货！
16、You silly boy!
你这傻小子！
17、Don't be so damn silly!
别那么傻了！
18、From what I know of him he doesn't play silly games.
凭我对他的了解，他不会耍滑头的。
19、I thought it would be silly to be too rude at that stage
我原本觉得在那个时候太粗鲁会很愚蠢。
20、Right now the poor old devil's drinking himself silly
这会儿那可怜的老家伙又喝得糊里糊涂的了。
