Prehistory : প্রাগৈতিহাসিক বিষয় বা যুগ;
Related Words
precatory  prehistoric  prehistory  projector  purgatory  See Words Also In
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Appropriate Prepositions
Abstain from(বিরত থাকা): I am trying to abstain from sweets for my new diet.
Acceptable to(গ্রহণযোগ্য): Such behavior is just not acceptable in this school.
Adapt to(খাপ খাওয়ানো): Everybody must adopt himself to new environment.
Apply for(কারো কাছে আবেদন করা): Sumi applied to the Principal for free studentship.
Stick to (দৃঢ়ভাবে লেগে থাকা): We should always stick to our decisions.
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Idioms
As a whole (মোটের উপর, সম্পূর্ন এক মনে করে-adv.) Look at life as a whole and you will see that it is meaningful.
Bad book (disfavour-খারাপ নজর —n) The secretary has fallen in the bad book of the manager.
On the whole (মোটের ওপর): On the whole, his conduct is good.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.