weak moment

A moment when one fails to have the discipline to act according to one's principles or better judgment and instead does something regrettable. I admit that, in a weak moment, I accepted a bribe to allow development to proceed without proper safety measures in place.

در لحظه غفلت ، ناغافلانه

In a weak moment در یک لحظه غفلت ، ناغافلانه