স্থিরচেতা: [adjective] Single-minded; steady; constant.
Related Words
স্থায়িতা  স্থির তারা  স্থিরচেতা  স্থিরনেত্র  স্থিরযৌবন  See Words Also In
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Appropriate Prepositions
Cope with (এঁটে ওঠা; তাল মিলিয়ে চলা): They cannot cope with so much work.
Inferior to (নীচু/হীন): He is inferior to his neighbor.
Quarrel with (ঝগড়া করা): Some girls quarreled with one another.
Sentence to, for (দন্ডাদেশ দেওয়া): He was sentenced to death for murder.
Subsist on (বেঁচে থাকা): The poor subsist mainly on rice and pulses.
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Idioms
Back and forth (to and fro-এদিক ওদিক – adv.) The mad man was walking back and forth in the doctor’s chamber.
Cut to the quick (মর্মাহত হওয়া): I was cut to the quick by his birds.
Fight shy of (এড়িয়ে যাওয়া): Honest boys always fight shy of bad and dishonest friends.
Nip in the bud (অঙ্কুরে বিনষ্ট হওয়া): All his hopes were nipped in the bud.
With a view to (উদ্দেশ্য)- He goes to college with a view to attending the class.