On cost : উপরি খরচা;
Related Words
on cost  on set  onomastic  onset  See Words Also In
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Appropriate Prepositions
Angry for (কোন কাজে রাগান্বিত হওয়া): Rahim was angry with me for my having done this.
Averse to (বিমুখ): Rahim was averse of your various problems.
Grasp at (আঁকড়িয়ে ধরা): He grasped me at my hand.
Render into (অনুবাদ করা): Render the passage into Bengap.
Sanguine of (নিশ্চিত বা আশান্বিত): Be sanguine of your success.
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Idioms
All along - (সব সময়): I was present in the meeting all along.
Pick a quarrel (ঝগড়া করা)—Do not pick a quarrel.
Run a risk (ঝুকি নেয়া) — He ran a risk to save his life.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.