To be very sure or confident about something.
কোনো বিষয়ে সম্পূর্ণ নিশ্চিত থাকা।
"You can bet your bottom dollar that he’ll show up late again."
"তুমি একদম নিশ্চিত থাকতে পারো যে সে আবার দেরি করেই আসবে।"
to make someone very sad
to try something without knowing the result
a person one had a romantic relationship with in the past
to make a bad situation or feeling less intense or unpleasan...
very high speed; extremely fast progress
in very good health