Bigwig : প্রধান লোক; ভারিক্কি লোক;
Related Words
big  big wig  biggish  bigwig  bigwigs  See Words Also In
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Appropriate Prepositions
Anxious about (কোনো কিছুর ব্যাপারে চিন্তিত বা উদ্বিগ্ন): Karim is anxious about his father’s death. Karim is anxious for getting a job.
Appear at/in(উপস্থিত হওয়া): I should appear at/in the exam hall in time.
Bare of(অনাবৃত, স্বল্প-সজ্জা): The trees of the forest are bare of leaves.
Defend against (রক্ষা করা): We will defend our country against all enemies.
Object to (প্রতিবাদ করা): Many people objected to the remarks of the leader.
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Idioms
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
Bad blood - (শত্রুতা): There has always been bad blood between these families.
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.
To the contrary (against what some one had said, পক্ষান্তরে) —He said nothing to the contrary.