Unerring : নির্ভুল, নিশ্চিত, অব্যর্থসন্ধান;
Related Words
unerring  unerringly  See Words Also In
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Appropriate Prepositions
Annoyed for(কোনো কারনে বিরক্ত হওয়া): The officer was annoyed with the clerk for being late.
Covetous of(লোভী হওয়া): He is covetous of wealth.
Inferior to (নীচু/হীন): He is inferior to his neighbor.
Match for (প্রতিদ্বন্দ্বী): He is no match for me.
Take pity on (দয়া করা): Take pity on the helpless people.
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Idioms
Base born (নীচ বংশজাত, খারাপ জাত—adj.) He is a base born person; I cannot go along well with him.
Make both ends meet (আয় ব্যয় মেলানো): I cannot make both ends meet with my small income.
Of course (অবশ্যই): Of course, you know what that meant.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.