I thought it would be silly to be too rude at that stage.

我觉得处在那个阶段上太过粗鲁是很幼稚的。

《柯林斯英汉双解大词典》

—Shall we grow for a walk? —Don't be silly. It's too dark. We'd better stay at home.

——我们要不要出去走走？ ——别傻了。天太黑了。我们最好待在家里。

youdao

"Don't be silly," Nick's mom said.

“别傻了。”尼克的妈妈说。

youdao

And you used to love that vine. Don't be silly.

VOA: special.2009.08.01

Well, that would be silly.

这样就傻透了。

耶鲁公开课 - 死亡课程节选

That would be silly.

同样很傻。

耶鲁公开课 - 死亡课程节选

But it would be silly to have a world system which didn't include those two countries.

NPR: Global Summit Takes On Economic Turmoil

It would be silly if I did not say we are starting from a high base.

BBC: Local elections 2013: Cameron attacks council 'waste'

Yet it would also be silly to accept that Goldman just crossed some kind of line.

WSJ: Greg Smith Might Just Make You Feel Sorry for Goldman