To assist : সহায়তা করা; সাহায্য করা; আনুকূল্য করা; সহযোগিতা করা;
Related Words
to act  to adjust  to assist  to associate  to cast  to hoist  to set  to sight  to stay  to suit  to twist  to waste  toast  toasted  See Words Also In
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Appropriate Prepositions
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Beg for(অনুরোধ করা): Maria begged the Superintendent for a seat in the school hostel.
Congratulate on(অভিনন্দন জানানো): They congratulated me on my brilliant success.
Free from (মুক্ত): He is now free from danger.
Shout at (চিৎকার করে ডাকা): Do not shout at your parents.
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Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
For good (চিরদিনের জন্য): He left the house for good.
Gift of the gab (বাকপটুতা): An advocate should have the gift of the gab.
Slow coach (অলস): You cannot expect much from a slow coach.
Through and through (পুঙ্খানুপুঙ্খু রুপে)- He read the poem through and through.