For a long time : দীর্ঘসময়ের মধ্যে; বহুকাল ধরিয়া; কতকাল; কতদিন;
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Appropriate Prepositions
Careful of(যত্নশীল থাকা): Sadia is careful of her health.
Derive from (উৎসারিত হওয়া): The one has been derived from the poem.
Easy of (সরল): The teacher is easy of approach.
Entrust with (কোনো কিছু দ্বারা কাউকে বিশ্বাস করে): He entrusted me with the thing.
Inquire for (দেখা করতে চাওয়া): He inquires for the manager.
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Idioms
Acid test (অগ্নি পরীক্ষা): You must succeed in the acid test of the time you live in.45
Breathe one’s last (decease, die- শেষ নিঃশেষ ত্যাগ করা, মরে যাওয়া) The man breathed his last in his native village.
Back and bally (জীবিকা, ভরণ পোষণ—n) Who will provide the increasing population with the required back and bally?
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.