Roster duty : পর্যায়;
Related Words
roster duty  roster-duty  See Words Also In
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Appropriate Prepositions
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Breakdown of (বিস্তারিত): Here is statistical breakdown of data.
Delighted at/with (আনন্দিত হওয়া): Sharmin was delighted at/with her husband’s promotion.
Make up of (গঠিত): Village is made up of many homes.
Pleased with (সন্তুষ্ট): Shamim is pleased with all his employees.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
In no time (শীঘ্র): He will finish the work in no time.
Ins and out (খুঁটিনাটি): I know ins and outs of this file.