Painless : যন্ত্রণাহীন;
Related Words
painless  panels  penniless  See Words Also In
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Appropriate Prepositions
Creep up (বৃদ্ধি পাওয়া): The prices of are creeping up day by day.
Hunger for (আকাঙ্কা): The teacher has a great hunger for knowledge.
Look for (খোঁজা): I was looking for the lost phone.
Regret for (দুঃখ করা): We regretted for his failure.
Sick of (ক্লান্ত): He is sick of this idle life.
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Idioms
Lame excuse (বাজে ওজর): The lame excuse will not do.
Pick one’s pocket (পকেট মারা)— He tried to pick my pocket.
Read between the lines (understand the significance, অন্তনিহিত অর্থ বুঝা) Try to read between the lines of the letter.
Speed money (ঘুষ; উৎকোচ): He hankers after speed money.
To the utmost (যথাসাধ্য) - I tried to the utmost of my ability to have a job.