Penetrating : তীক্ষ্ন, তীক্ষ্ণবুদ্ধি;
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Appropriate Prepositions
Attentive to(মনোযোগী): He is attentive to his business.
Contemporary of (সমসাময়িক): William Wordsworth was a contemporary for greater efficiency.
Dull at (অপ্টু/কাঁচা): He is dull at mathematics.
Inquire for (দেখা করতে চাওয়া): He inquires for the manager.
Quarrel over (কোন বিষয়ে ঝগড়া করা): Do not quarrel over this trifling matter, let it be drop.
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Idioms
From cradle to grave (দোলনা থেকে কবর পর্যন্ত): Everyone has to learn from cradle to grave.
Lion’s share (বড় মাপের অংশ): He took the lion’s share of the profit.
Milk and honey – (প্রাচুর্য)- He lives with milk and honey.
Pave the way (সুপ্রসন্ন করা) – I am sure I can pave the way for your success.
Pick a quarrel (ঝগড়া করা)—Do not pick a quarrel.