urea /noun/ স্তন্যপায়ীদের মূত্রে প্রাপ্ত একধরনের বর্ণহীন কেলাসিত নাইট্রোজেন ঘটিত যৌগ; ইউরিয়া;
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Appropriate Preposition:
- Glance at ( চোখ বুলিয়ে নেওয়া ) He glanced at me casually.
- Famous for ( বিখ্যাত ) Radhanager is famous for the birth place of Raja Rammohan.
- Wanting in ( বিহীন ) He is wanting in common sense.
- Occupied with ( নিয়োজিত (কাজ) ) He is occupied with his studies.
- Officiate for ( পরিবর্তে কাজ করা (ব্যক্তি) ) He officiated for me in that post.
- Persist in ( লেগে থাকা ) He persisted in disturbing me.
Idioms:
- By the by ( প্রসঙ্গক্রমে ) By the by I came to know that he was ill.
- Heart and soul ( সর্বান্তঃকরণে ) Try heard and soul and you will succeed.
- Square meal ( পেট ভরা আহার ) He is too poor to have a square meal every day.
- In cold blood ( ঠান্ডা মাথায় ) They committed this murder in cold blood.
- In force ( বলবৎ ) This law is in force now.
- hold your horses ( সবুর করা ; ধৈর্য ধরা ) Hold your horses in trouble, you will get your reward.