to betray someone for personal gain
নিজের স্বার্থে কাউকে বিশ্বাসঘাতকতা করা
"He sold me out to save himself."
"নিজেকে বাঁচাতে সে আমাকে বিশ্বাসঘাতকতা করেছে।"
to keep trying until you succeed
to clear one’s thoughts or fix mental confusion
to continue doing something until it is finished or successf...
To build a company using only personal finances.
to achieve two things at once
to be responsible for something bad that happens