Heterogeneities : বর্ণসঙ্করতা; দোআঁশলা;
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Appropriate Prepositions
Appear at/in(উপস্থিত হওয়া): I should appear at/in the exam hall in time.
Creep up (বৃদ্ধি পাওয়া): The prices of are creeping up day by day.
Due to (কারণে): His absence is due to illness.
Hard of (কানে খাটো বা কম শোনা): Ratan is a hard of hearing.
Regret for (দুঃখ করা): We regretted for his failure.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
For good (চিরদিনের জন্য): He left the house for good.
Out of temper (ক্রুদ্ধ): The teacher is out temper to see the overall results.
Slow coach (অলস): You cannot expect much from a slow coach.
Tide over (বিপদ অতিক্রম করা-overcome ): The manager tided over the situation.