Infantilism : অপোগণ্ডতা; শিশুসুলভ কাজ;
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Appropriate Prepositions
Apart from(ছাড়া, ব্যতীত, দূরে): They pave apart from each other.
Assent to(সম্মতি দেওয়া): The President has assented to the bill.
Faith in (বিশ্বাস): I have no faith in him.
Guilty of (অপরাধী/দোষী): The convict was guilty of murder.
Play on (বাজানো): They play on the piano.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
Lump sum (এক কালীন) — He gave us lump sum money.
Make both ends meet (আয় ব্যয় মেলানো): I cannot make both ends meet with my small income.
Now and then (মাঝে মাঝে): He comes here now and then.
Three score (ষাট): He is happy as his brother got three score.