Old hand : পাকা কারিগর; ওস্তাদ লোক; দক্ষ; অভিজ্ঞ;
Related Words
old hand  old maid  See Words Also In
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Appropriate Prepositions
Ask about (কাউকে খোঁজ করা): Rahim asked about Karim.
Attest to(প্রত্যয়ন করা): I like to attest to your ability.
Close to(নিকটে): Our College is close to the Post Office.
Conscious of(সচেতন): I am conscious of my deficiencies.
Wish for (প্রত্যাশা করা): Everybody wish for happiness.
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Idioms
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
In the long run (পরিণামে): You will have to suffer in the long run.
Learn by heart (মুখস্থ করা)— He learnt the poem by heart.
Slow coach (অলস): You cannot expect much from a slow coach.
Three R's (প্রাথমিক শিক্ষা)— He has not yet learnt the three R's.