Laboriously : কঠোর পরিশ্রমসহকারে;
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Appropriate Prepositions
Business with (ব্যবসা, কাজ): He is pleased to do business with you.
Cruise to (জয় লাভ করা): The Bangladesh team cruised to their fifth successive win this afternoon.
Hanker after (আকাঙ্ক্ষা/লোভ করা): He hankers after riches.
Object to (প্রতিবাদ করা): Many people objected to the remarks of the leader.
Worry about (কোনো কিছু বা কাউকে নিয়ে উদ্বিগ্ন হওয়া): Please, don’t worry about me. I will be alright.
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Idioms
ABC - (প্রাথমিক জ্ঞান): I don't know the ABC of politics.
Die in harness (কর্মরত অবস্থায় মারা যাওয়া): Dr. Sen died in harness.
Look into something (তদন্ত করা- investigate) - The manager looked into the matter.
Up-to-date (আধুনিক) - Now-a-days ladies are very up to date.
With a view to (উদ্দেশ্য)- He goes to college with a view to attending the class.