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
Acquit of (অব্যাহতি দেয়া): The chief justice acquitted him of the charge of murder.
Attend on/upon (সেবা করা): We should attend on/upon the ailing patient.
Aware of(অবগত): I am not aware of his dishonesty.
Creep up (বৃদ্ধি পাওয়া): The prices of are creeping up day by day.
Meet with (হঠাৎ কোন কিছু হওয়া): Yesterday I met with an accident.
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Idioms
Pass sth/sb off as sth/sb (মিথ্যা পরিচয় দেয়া; Pretend – ভান করা): They were trying to pass off these shirts as genuine Armani.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.
Speed money (ঘুষ; উৎকোচ): He hankers after speed money.
To and fro (hither and thither, এদিক ওদিক)-The man is walking to and fro.
Yellow dog (হীন ব্যক্তি) - A yellow dog is always hated by all.