Profi ciency : দক্ষতা; কুশলতা; বু্যত্পত্তি;
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Appropriate Prepositions
Careful of (সতর্ক): He is very careful of his fault.
Desire for (আকাঙ্ক্ষা করা): He has no desire for money.
Object to (প্রতিবাদ করা): Many people objected to the remarks of the leader.
Rule over (শাসন করা): In the absence of the Parliament, the President rules over the country.
Run over (চাপা পড়া): The man was run over by a truck.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
End in smoke (ব্যর্থ হওয়া): All his plans ended in smoke.
Fish out of water (অস্বস্তিকর অবস্থা): When he came to the village, he felt like fish out of water.
To go to the dogs (গোল্লায় যাওয়া)- He has gone to the dogs by keeping evil company.
Three score (ষাট): He is happy as his brother got three score.