Black-swan : অতি দুর্লভ বস্তু; একজাতীয় অস্ট্রেলীয় সোয়ান;
Related Words
balkan  black mailing  black-swan  blacken  blackened  blackens  blacking  blackmail  blackmail ing  blackmailing  blackness  See Words Also In
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Appropriate Prepositions
Charge with(অভিযুক্ত করা): He is charged with killing.
Heir of (উত্তরাধিকারী): He is the heir of his father.
Hostile to (বিরোধী বা বিরূপ ভাবাপন্ন): Nobody is hostile to you.
Look at (তাকানো): Students look at the blackboard.
Look up (ডিকশনারি থেকে শব্দার্থ খোঁজা): He is looking up a new word meaning from dictionary.
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Idioms
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
Liable to mislead (প্রতারণাপূর্ণ- deceptive): Appearances can often be liable to mislead.
On the whole (মোটের ওপর): On the whole, his conduct is good.
To the brim (কানায় কানায়) - The river was full to the brim.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.