Self-contained : স্বয়ংসম্পূর্ণ;
Related Words
self contained  self-contained  self-content  selfcontained  selfcontent  See Words Also In
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Appropriate Prepositions
Adjacent to (সন্নিহিত): His house was adjacent to the bridge.
Caution against(সাবধান): Take all cautions against the danger.
Faith in (বিশ্বাস): I have no faith in him.
Noted for (বিখ্যাত): She is noted for dancing.
Similar to (সদৃশ): My T-shirt is similar to yours.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
At a low ebb (in an unfavorable situation প্রতিকুল অবস্থায়, ভাটির মুখে) The popularity of this singer is now at a low ebb.
At-fault (guilty-কিংকর্তব্যবিমূঢ়, অপরাধ, দোষ adj.) You are at fault.
On the whole (মোটের ওপর): On the whole, his conduct is good.
Read between the lines (understand the significance, অন্তনিহিত অর্থ বুঝা) Try to read between the lines of the letter.