Retroact : প্রতিক্রিয়া ঘটা; পিছন দিকে ক্রিয়াশীল হওয়া;
Related Words
re tract  redirect  retraced  retract  retractable  retracted  retractile  retracting  retraction  retractions  retractive  retractor  retracts  retroact  retroaction  retrorocket  See Words Also In
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Appropriate Prepositions
Argue over (কোন বিষয়ে তর্ক করা): The kids are arguing over which TV program to watch.
Aware of(অবগত): I am not aware of his dishonesty.
Repentant for (অনুতপ্ত): Kamal should be repentant for his misbehavior.
Take after (সদৃশ হওয়া, একই রকম হওয়া): The boy takes after his brother.
Work with (কারো সাথে কাজ করা): They will be working with me on the new project.
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Idioms
Bring to light (disclose-প্রকাশ করা) The police brought the secret to light.
Cut a sorry figure (খারাপ ফল করা): He cuts a sorry figure in the examination.
Die in harness (কর্মরত অবস্থায় মারা যাওয়া): Dr. Sen died in harness.
Through and through (পুঙ্খানুপুঙ্খু রুপে)- He read the poem through and through.
Turn a deaf ear to (pay no attention, প্রত্যাখান করা) —He turned a deaf ear to my proposal.