Unauthentic : অপ্রমাণিক, বাজে;
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Appropriate Prepositions
Attentive to(মনোযোগী): He is attentive to his business.
Conceal from(লুকানো) Do not conceal anything from me.
Consist of(গঠিত হওয়া): The committee consists of ten members.
Inferior to (নীচু/হীন): He is inferior to his neighbor.
Yield to (নতি স্বীকার করা): I shall not yield to his temptation.
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Idioms
In full swing (পুরোদমে): The school is in full swing after the vacation.
Pick a quarrel (ঝগড়া করা)—Do not pick a quarrel.
Read between the lines (understand the significance, অন্তনিহিত অর্থ বুঝা) Try to read between the lines of the letter.
To the contrary (against what some one had said, পক্ষান্তরে) —He said nothing to the contrary.
Widow’s mite (দরিদ্রের ক্ষুদ্র দান): A windows mite is no less important than a large contribution of a rich man.