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 teach someone how to do a task
a situation where everyone benefits
to be cared for or managed by someone trustworthy
someone who learns new things very fast
to make someone fall in love with you suddenly
at the forefront of innovation or technology