On the spur of the moment : মুহূর্তমধ্যে; মুহূর্তে; ক্ষণকালে; তত্ক্ষণাতই;
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on the spur of the moment  See Words Also In
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Appropriate Prepositions
Aware of(অবগত): I am not aware of his dishonesty.
Bad at (অদক্ষ): He is not bad at English.
Burst out a laughter(হাসিতে ফেটে পড়া) He bursts out a laughter.
Inferior to (নীচু/হীন): He is inferior to his neighbor.
Repentance for (অনুতাপ): He has repentance for the past.
Browse All Appropriate Prepositions
Idioms
All in - (পরিশ্রান্ত): I was all in after the meeting.
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
Call in question (সন্দেহ করা): No one can call his honesty in question.
Pros and cons (খুঁটিনাটি): You should consider the pros and cons of the system.
Speed money (ঘুষ; উৎকোচ): He hankers after speed money.