to be so worried or upset that you don't know what to do
এত চিন্তিত বা হতাশ হওয়া যে কী করতে হবে বুঝতে না পারা
"I'm at my wits' end trying to calm the kids down."
"বাচ্চাদের শান্ত করতে করতে আমি ক্লান্ত ও হতাশ।"
far more advanced than others
to feel very happy and positive
too difficult to understand or achieve
to spread rapidly, especially online
when one opportunity is lost, another appears
to amaze or astonish someone