Without doubt : নিঃসন্দেহে; নিশ্চিতভাবে; নিশ্চয়;
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Appropriate Prepositions
Zeal for (উৎসাহ): Forhad has great zeal for cricket.
Ask about (কাউকে খোঁজ করা): Rahim asked about Karim.
Bad at (অদক্ষ): He is not bad at English.
Deal in (কোনো কিছুর ব্যবসা করা): They deal in green vegetables.
Similar to (সদৃশ): My T-shirt is similar to yours.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
At the top of (শীর্ষে): The boy shouted at the top of his voice.
Through and through (পুঙ্খানুপুঙ্খু রুপে)- He read the poem through and through.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.
Ups and downs (উত্থান পতন)- There is ups and downs in a man's life.