Gratuitously : অবাঞ্ছিতভাবে; অযৌক্তিকভাবে; বিনা পয়সায়; বিনা দক্ষিণায়;
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Appropriate Prepositions
Angry for (কোন কাজে রাগান্বিত হওয়া): Rahim was angry with me for my having done this.
Composed of(তৈরী): This medicine is composed of vitamins and minerals.
Eager for, about (একাগ্র): The students for this school are eager for knowledge. The teacher is eager about the success of his students.
Greed for (লোভ): He has an indomitable greed for wealth.
Smile on/upon (অনুগ্রহ করা): Fortune smiles on/upon the brave.
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Idioms
Arm in arm (পরস্পর সম্পর্কিত বিষয়) All good people should live arm in arm with one another.
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
Pandora’s box (আপাতঃ দৃষ্টিতে ভালো মনে হলেও আসলে ভালো নয়)—His words proved to be Pandora’s box.
Put up with (সহ্য করা - tolerate): I could not put up with his behavior.
Silver tongue (মিষ্টভাষী)- He is a man of silver tongue.