Weak knees : মনোবলের অভাব; সংকল্পের অভাব;
Related Words
weak knees  weak ness  weakens  weakness  weaknesses  See Words Also In
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Appropriate Prepositions
Conscious of(সচেতন): I am conscious of my deficiencies.
Heir of (উত্তরাধিকারী): He is the heir of his father.
Heir to (উত্তরাধিকার পাওয়া): He is an heir to a vast property.
Object to (প্রতিবাদ করা): Many people objected to the remarks of the leader.
Sorry for (দুঃখিত): He is sorry for his misdeeds.
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Idioms
Be all and end all (the ultimate out come- চরম পরিণতি—n) A loss of one million taka was the be all and end all of the projects.
Maiden speech (প্রথম বক্তৃতা): His maiden speech fell flat on the audience.
Take to one's heels (to run away, পালানো)- They took to their heels when they saw the policeman approaching.
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.