Audio-visual aid : শ্রাব্য-দার্শন অবলম্বন;
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Appropriate Prepositions
Attacked with(আক্রান্ত): He is attacked with …
Comply with(মেনে নেওয়া): The clerks must comply with the orders of their officer.
Concerned with(জড়িত): She was concerned with such things.
Devoted to (মনোযোগী): He is devoted to music.
Take after (সদৃশ হওয়া, একই রকম হওয়া): The boy takes after his brother.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
Foul play (অসদাচারণ করা): We feared that he had met with foul play.
Irony of fate (ভাগ্যের পরিহাস): He could not succeed by irony of fate.
Set something right (ঠিক করা)— He will set the machine right.
White elephant (অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা): At last the department proved to be a white elephant.