স্থিরচেতা: [adjective] Single-minded; steady; constant.
Related Words
স্থায়িতা  স্থির তারা  স্থিরচেতা  স্থিরনেত্র  স্থিরযৌবন  See Words Also In
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Appropriate Prepositions
Abide by(মেনে চলা): We must abide by the rules of discipline.
Acceptable to(গ্রহণযোগ্য): Such behavior is just not acceptable in this school.
Defend against (রক্ষা করা): We will defend our country against all enemies.
Hard of (কানে খাটো বা কম শোনা): Ratan is a hard of hearing.
Solution to (সমাধান): None can solution to every problem.
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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.
Be all and end all (the ultimate out come- চরম পরিণতি—n) A loss of one million taka was the be all and end all of the projects.
Die in harness (কর্মরত অবস্থায় মারা যাওয়া): Dr. Sen died in harness.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.