przez pomyłkę 用英语:

by mistake

I didn’t intend to take your umbrella. I took it by mistake.

I’m sorry – I opened one of your letters by mistake.

Sorry, I seem to have taken the wrong umbrella by mistake.

I took your coat by mistake

I am really sorry, I called you totally by mistake. I meant to call Mike.

I called you totally by mistake.

She dropped that vase by mistake, but the the teacher was still furious.

I deleted all my computer files by mistake.

Someone left the door open by mistake.

I gave it to you by mistake. (Dałem ci to przez pomyłkę.)

I’m sorry, this letter is addressed to you – I opened it by mistake.

I meant to call Helen, but I called Roger by mistake.