honest mistake → αθώο λάθος, αθώο λαθάκι, άτυχη στιγμή, λάθος που έγινε χωρίς κακή πρόθεση, πράξη που έγινε χωρίς κακή πρόθεση, ενέργεια που έγινε χωρίς κακή πρόθεση, σφάλμα που έγινε χωρίς κακή πρόθεση, λάθος κίνηση που έγινε χωρίς κακή πρόθεση, λάθος που έγινε άθελά μου, καταλάθος, δεν το ήθελα, δεν είχα κακή πρόθεση, δεν ήταν εκ προθέσεως

[spiros]

honest mistake → αθώο λάθος, αθώο λαθάκι

an honest mistake
A mistake made unintentionally or unknowingly and without the intention of causing harm; a mistake that anyone might have made in similar circumstances.
It was an honest mistake! How was I to know that you wouldn't want me to send that letter with the rest of the mail?
I can see you're upset, but know that I didn't intentionally exclude you from the email chain—it was just an honest mistake.
Jill's still mad at me? So I made an honest mistake—sheesh!
Honest mistake - Idioms by The Free Dictionary