To speak honestly and sincerely.
সৎ ও আন্তরিকভাবে কথা বলা।
"When he apologized, he really spoke from the heart."
"যখন সে ক্ষমা চেয়েছিল, সে সত্যিই আন্তরিক ছিল।"
to focus on moving forward and not dwell on past mistakes
to shout and complain loudly
to show others how to do something by demonstrating it yours...
to succeed in achieving two things in a single action
to prepare to work hard or take on a challenge
to start something quickly, especially a system