All-time : অপূর্ব; অভূতপূর্ব; সর্বকালীন;
Related Words
al-time  all time  all-time  allot ment  allotment  allotments  alltime  altime  altimeter  altimetry  See Words Also In
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Appropriate Prepositions
Argue against (বিপক্ষে বলা): She argued against the bill.
Call for(চাওয়া): I will call for his explanation.
Easy of (সরল): The teacher is easy of approach.
Look for (খোঁজা): I was looking for the lost phone.
Refer to (সিদ্ধান্তের জন্য প্রেরণ করা): The matter was referred to the Chairman for a decision.
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Idioms
Bad book (disfavour-খারাপ নজর —n) The secretary has fallen in the bad book of the manager.
Make head or tail – (মাথামুন্ডু বুঝা) – I cannot make head or tail of what you say.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.
Pros and cons (খুঁটিনাটি): You should consider the pros and cons of the system.
Up to (পর্যন্ত) - I have done the exercises up to page 40.