Efficacious : ফলোৎপাদক; নিশ্চিত ফলপ্রদ
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efficacious  efficacy  effigies  See Words Also In
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Appropriate Prepositions
Authority over (কর্তৃত্ব, আধিপত্য): She has no authority over his growing daughters.
Bask in(রোদ পোহানো): The boys and girls are basking in the sun right now.
Concerned for (উদ্বিগ্ন): The parents are concerned for their growing children.
Entrust to (কাউকে কোনো কিছু বিশ্বাস করে দেওয়া): He entrusted the thing to me.
Grasp at (আঁকড়িয়ে ধরা): He grasped me at my hand.
Browse All Appropriate Prepositions
Idioms
Art and part (অভিসন্ধি ও সম্পাদন) We have no art and part in his affairs.
Backstairs influence (secret and illegal influence- গোপন এবং বে আইনী প্রভাব-n) He did not deseve the job, however, he got it by backstairs influence.
Make head or tail – (মাথামুন্ডু বুঝা) – I cannot make head or tail of what you say.
Silver tongue (মিষ্টভাষী)- He is a man of silver tongue.
Up to (পর্যন্ত) - I have done the exercises up to page 40.