głupio po angielsku:

I stupidly agreed to organize the party.

He acted foolishly.

I started to think I had behaved foolishly.

I'm ashamed because I acted foolishly.

I foolishly imagined that he was going to help me.

I foolishly interpreted the idiom according to its literal sense.

Mary is always acting foolishly.

She foolishly agreed to let the strangers in.

... Cameron Highland once, and foolishly I started my hike...

He killed the goose, foolishly.

You've acted foolishly and you will pay for it.

Don't be silly!

Even the cleverest students can make silly mistakes.

Ikeda made several silly mistakes, and so he was told off by the department head.

The meeting was going off without a hitch until he threw a wet blanket on it by making silly remarks.

Bob thinks it is a silly idea to call his mother who is so far away, to spend so much, and to say so little.

It may never be known how we silly Anglophones got "baloney" out of "bologna."

His parents' view was that he was wasting his earnings on a silly girl.

Read, every day, something no one else is reading. Think, every day, something no one else is thinking. Do, every day, something no one else would be silly enough to do. It is bad for the mind to be always part of unanimity.

If my kid couldn't speak Shanghainese, I’d slap him silly. the man said.

This may be a silly question, but which is stronger - a tiger or a lion?

Sentences bring context to the words. Sentences have personalities. They can be funny, smart, silly, insightful, touching, hurtful.

What a silly question! That was a silly thing to do, wasn’t it? Don’t be silly – it’s only a spider. She makes a fuss about such silly little (= unimportant) things.

It is a silly practice for non-Christians to send chocolates on St. Valentine's Day.

All that's left for me is to drink myself silly with vodka and to get lost in sleep.