Vanguard : সৈন্য বাহিনীর সম্মুখ ভাগ বা প্রথম সারি; আন্দোলনের অগ্রদূত;
Related Words
van guard  vanguard  vanguards  See Words Also In
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Appropriate Prepositions
Desire for (আকাঙ্ক্ষা করা): He has no desire for money.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
Quarrel over (কোন বিষয়ে ঝগড়া করা): Do not quarrel over this trifling matter, let it be drop.
Relation with (সম্পর্ক): I have no relation with the culprit.
Sanguine of (নিশ্চিত বা আশান্বিত): Be sanguine of your success.
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Idioms
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
As a whole (মোটের উপর, সম্পূর্ন এক মনে করে-adv.) Look at life as a whole and you will see that it is meaningful.
Bring to light (disclose-প্রকাশ করা) The police brought the secret to light.
On the whole (মোটের ওপর): On the whole, his conduct is good.
Through thick and thin (through all difficulties, সমস্ত সমস্যার মধ্যে)-Ruma followed her husband through thick and thin.