Vainly : ব্যর্থ; উদ্দেশ্যহীনভাবে; বিফলে; ব্যর্থ হইয়া; বৃথা;
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vainly  vanilla  vinyl  See Words Also In
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Appropriate Prepositions
Abide by(মেনে চলা): We must abide by the rules of discipline.
Admit to(ভর্তি করা): The boy was admitted to class Nine.
Beg for(অনুরোধ করা): Maria begged the Superintendent for a seat in the school hostel.
Careful of (সতর্ক): He is very careful of his fault.
Die for (আত্নত্যাগ করা): Our Chairman died for our country.
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Idioms
At liberty (free-মুক্ত-adj.) They are at liberty to go anywhere.
In the long run (পরিণামে): You will have to suffer in the long run.
Lose one’s heart (প্রেমে পড়া) — He lost his heart to the girl.
To the brim (কানায় কানায়) - The river was full to the brim.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.