Audio-visual aid : শ্রাব্য-দার্শন অবলম্বন;
Related Words
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Appropriate Prepositions
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Complain about (কোনো বিষয়ে নালিশ করা): They complained about the mismanagement of the programme.
Convince of(বিশ্বাস হওয়া): I am convinced of your efficiency.
Defend against (রক্ষা করা): We will defend our country against all enemies.
Genius for (দক্ষতা): Nazrul had a genius for convincing girls.
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Idioms
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
Slow coach (অলস): You cannot expect much from a slow coach.
Salt of the earth (গুরুত্বপূর্ণ ব্যক্তিবর্গ) —The salt of the earth is remembered always.
Tide over (বিপদ অতিক্রম করা-overcome ): The manager tided over the situation.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.