a big and sudden improvement
বড় এবং হঠাৎ অগ্রগতি
"This discovery is a quantum leap in medical research."
"এই আবিষ্কারটি চিকিৎসা গবেষণায় একটি বিশাল অগ্রগতি।"
to impress or amaze someone greatly
information given to a journalist that cannot be attributed...
to continue believing in your goals even when it's hard
to return to the right path after a mistake or setback
to have the same opinion
enjoyable activities; playful behavior