to submit something to someone in authority
কোনো কর্তৃপক্ষের কাছে কিছু জমা দেওয়া
"Please hand in your assignment by Friday morning."
"শুক্রবার সকালে আপনার অ্যাসাইনমেন্ট জমা দিন।"
to not show your emotions in difficult situations
to shock or upset someone greatly
To investigate more thoroughly or find out more details.
to pay close attention to or understand something important
to continue progressing without slowing down
to stop thinking about something for a while and relax