In theory : ধারণায়;
Related Words
in another way  in other words  in ter com  in tern  in the air  in the red  in the round  in the world  in theory  in turn  initiatory  inter  intercessory  interim  intermarry  intern  internally  interne  interns  interplay  inters  interse  See Words Also In
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Appropriate Prepositions
Adapt to(খাপ খাওয়ানো): Everybody must adopt himself to new environment.
Answerable to (কারো কাছে জবাবদিহিতা করা): He is not answerable to anybody for his mistake.
Authority on(বিশেষজ্ঞ পন্ডিত): Kamal was an authority on English literature.
Inquire of, about, into, after (অনুসন্ধান করা): Roma inquired of me about my father’s health. The pope will inquire into the cause of fire. Mehjabin inquired after her friends.
Wish for (প্রত্যাশা করা): Everybody wish for happiness.
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Idioms
Die in harness (কর্মরত অবস্থায় মারা যাওয়া): Dr. Sen died in harness.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
Kith and kin (নিকট আত্মীয়): He has no relation with his kith and kin.
Lion’s share (বড় মাপের অংশ): He took the lion’s share of the profit.
To play on a fiddle (অনর্থক সময় নষ্ট করা - To waste time)-He played on a fiddle by nature.