And no mistake : নিঃসন্দেহে;
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Appropriate Prepositions
Avail (oneself) of(সুযোগের স্বব্যবহার করা): I shall avail myself of the first trip to London tomorrow.
Call in(ডাকিয়া আনা): They called in a doctor.
Decide upon (সিদ্ধান্ত করা): We have not yet decided whether we are going to picnic.
Monument to (স্মৃতিসৌধ): The monument to your right is a popular tourist attraction.
Quarrel with (ঝগড়া করা): Some girls quarreled with one another.
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Idioms
Bad bargain (purchasing at a high price-বেশি দামে কেনা-n) You had a bad bargain of the watch I see.
Now and then (মাঝে মাঝে): He comes here now and then.
Ups and downs (উত্থান পতন): There are ups and downs in a man’s life.
Weal and woe (সুখ-দুঃখ): Human life is full of weal and woe.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.