to progress or improve very quickly
দ্রুত অগ্রগতি বা উন্নতি হওয়া
"Her English has improved by leaps and bounds."
"তার ইংরেজির উন্নতি হয়েছে অনেক দ্রুত।"
feeling nervous or anxious
to take responsibility for something difficult or unpleasant
a series of events triggered by one event
to buy something that is defective or worthless
to design or aim something for a particular group
to feel very happy