Keratin : শিং, নখ, চুল ইঃ গঠনকারী প্রোটিন;
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Appropriate Prepositions
Argue with, about(কথা কাটাকাটি করা): They always argue with me about tiny matter.
Charge with(অভিযুক্ত করা): He is charged with killing.
Delighted at/with (আনন্দিত হওয়া): Sharmin was delighted at/with her husband’s promotion.
Dwell in (বাস করা): He dwells in a tall apartment.
Wish for (প্রত্যাশা করা): Everybody wish for happiness.
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Idioms
Man of straw (অপদার্থ): We do not care for a man of straw like you.
Rank and file (সাধারণ লোক): We should pay attention to the rank and file of the country.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.
Short temper (রগচটা)— He is a man of short temper.
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