Prehistory : প্রাগৈতিহাসিক বিষয় বা যুগ;
Related Words
precatory  prehistoric  prehistory  projector  purgatory  See Words Also In
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Appropriate Prepositions
Attend on/upon (সেবা করা): We should attend on/upon the ailing patient.
Dependent on (নির্ভরশীল): Sepm is dependent on his father.
Entitled to (অধিকারী): He is entitled to a reward for honesty.
Noted for (বিখ্যাত): She is noted for dancing.
Suffer from (অসুখে ভোগা, কষ্ট পাওয়া): He has been suffering from fever for last three days.
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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.
Foul play (অসদাচারণ করা): We feared that he had met with foul play.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Right and left (এলোপাথাড়ি - indiscriminately): He planted trees right and left.
Wild goose chase (useless pursuit, পন্ডশ্রম) —Do not waste time in wild goose chase.