carelessly

adverb
1
without giving enough attention and thought to what you are doing, so that you make mistakes or damage things
بی‌دقتانه, سرسری, بی‌احتیاط, ناپروا
2
in a way that shows no interest or effort
بی‌دقتانه, بی‌پروا, سهل‌انگارانه, سرسری, بی‌دقت, بدون توجه
She threw her coat carelessly onto the chair.
‘I don't mind,’ he said carelessly.