to do something secretly or deceitfully against someone
কাউকে না জানিয়ে গোপনে তার বিপক্ষে কিছু করা
"She went behind my back and told the manager everything."
"সে গোপনে আমার পেছনে গিয়ে ম্যানেজারকে সব বলে দিয়েছে।"
to continue progressing without slowing down
better things are coming in the future
a relationship full of arguments and conflicts
to achieve great success
to do something with great effort and passion
to start something energetically and successfully