to promise solemnly, often in a formal way
আনুষ্ঠানিকভাবে শপথ করা
"He swore an oath to serve his country faithfully."
"সে তার দেশকে বিশ্বস্তভাবে সেবা করার শপথ করেছিল।"
a strategic move to gain or maintain control
Someone who acts as if they know everything.
to absorb or receive information quickly
to take back what you said
very kind and generous
to increase the level of risk or difficulty